Answer:
Radial symmetry is a type of symmetry found in animals where the body parts are arranged in a circular or radial pattern around a central axis. This means that any plane passing through the center of the animal's body will divide it into two equal halves. Radially symmetrical animals are typically found in aquatic environments, where they can move in any direction to capture food or avoid predators. Examples of radially symmetrical animals include jellyfish, starfish, and sea urchins.
Bilateral symmetry is a type of symmetry found in animals where the body is divided into two equal halves along a single plane. This means that there is only one way to divide the animal's body into two equal halves. Bilaterally symmetrical animals are typically found in terrestrial environments, where they move in a forward direction to capture food or avoid predators. This type of symmetry is also associated with the development of a head region, where sensory organs and a mouth are located. Examples of bilaterally symmetrical animals include insects, fish, mammals, and humans.
can someone help me with this really fast? i’m out of town but all you have to do is make a food web based on your observations of the video after you watch it (you have to look up the same exact video in this picture) and make sure there’s arrows, labels, etc when you answer it please
A food web based on sea urchins could be as follows:
Kelp, seaweed, and phytoplankton are eaten by sea urchinsSea urchins are eaten by sea otters, sea stars, and crabsSea otters and crabs are eaten by sharks and killer whalesWhat is a food web based on sea urchins?A food web based on sea urchin could include the following:
Primary producers: kelp, seaweed, and phytoplankton
Primary consumers: sea urchins, abalone, and some species of fish
Secondary consumers: sea otters, sea stars, crabs, and some species of birds and mammals
Tertiary consumers: sharks, killer whales, and larger predatory fish
This is just one example of a food web based on sea urchins, and there are many variations depending on the specific ecosystem and species involved.
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Practice #1
What's so important about DNA? Choose all of the correct answers.
DNA is found in all organisms and carries instructions to build those organisms
DNA found in one organism probably shares some similar instructions found in
another species
DNA is composed of only four bases that repeat in a sequence that is different for
each species
Some organisms don't actually have DNA
The DNA of each organism is made out of different types of chemicals
Answer: 1, 2
Explanation:
I know those are correct, good luck!
Question 7
About
water.
9%
65%
Id 50%
25%
tal Science and Sustainability
of the human population does not have access to adequate food and
About 25% of the global population does not have access to adequate sanitation, which can lead to waterborne diseases and further water-related health issues.
What is the water distribution?65% of the human body is made up of water.
About 71% of the Earth's surface is covered in water, but only 2.5% of that is freshwater.
Nearly 1 billion people, or about 9% of the global population, lack access to clean drinking water.
Approximately 50% of the world's population lives in areas prone to water scarcity.
25% of the global population does not have access to adequate sanitation, which can lead to waterborne diseases and further water-related health issues.
Overall, access to clean water and sustainable water management are critical for human health and well-being, as well as environmental sustainability.
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what are the problems and solutions in immunohistochemistry?
Answer:
Diseases like cancer can be diagnosed using immunohistochemistry. It could also be used to distinguish between various cancer types.
Explanation:
From the list of options below, choose the issue with your immunohistochemistry staining.
Lack of primary antibodySecondary antibodies are incompatible with primary antibodies:The tissue dried:No cells were permeable:It is insufficient to simply deparaffinize5
What stage of contraction is this? (0.5 Points)
Late Diastole
Atrial Systole
Ventricular Systole
Diastole
Early Diastole
Ventricular Systole stage of contraction is this. Option C is correct answer.
Early ventricular diastole: What is it?Early ventricular diastole is characterised by the filling of the ventricles with blood from the atria, which begin to weakly contract (atrial systole) in late ventricular diastole and force additional blood flow. The left atrium is coloured pink, and the right atrium is coloured blue.
What are systole and early diastole?The cardiac cycle contains two phases: diastole and systole. As the heart beats, they take place as blood is pumped via a network of blood vessels to reach every region of the body. Diastole happens when the heart relaxes after contracting during systole, which happens when the heart contracts to push blood out.
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Maria is meeting with a group of individuals whose treatments have left their cancer in remission for at least two years. She asks them about how their lives have changed and what information they learned before remission that has most impacted their lives today. What is the best description of Maria's actions?
A. testing a hypothesis
B. testing a theory
C. conducting a focus group
D. oversering patients
Which of the following is evidence that suggests climate is changing?
All areas of the planet are receiving more precipitation.
Sea level is rising.
Global temperatures have decreased about 1°C in the Arctic and Antarctic.
Glacial ice is getting thicker in Greenland.
Answer:
Sea level is rising.
Explanation:
Climate change causes warm temperatures which causes ice, glaciers, polar ice caps to melt. As the glaciers and other frozen objects melt, they increase sea level
These diagrams represent the three types of tectonic plate
boundaries.
At which type of tectonic plate boundary is a volcano least likely to occur?
O AA
© B. B
О c. c
D. A, B, and C are equally unlikely.
The likelihood of a volcano occurring is lowest at the transform boundary.
What are the 3 kinds of structural plate limit lines?Plate tectonic boundaries come in three varieties: plate boundaries that are transform, divergent, and convergent. The three primary types of plate boundaries are depicted in this image: transform, divergent, and convergent. Picture politeness of the U.S. Topographical Overview.
What kind of plate limit causes volcanoes?At a divergent plate boundary, plates break apart, resulting in shallow earthquakes and volcanic activity. One plate dives or "subducts" beneath the other at a convergent plate boundary, resulting in a variety of earthquakes and a line of volcanoes on the dominant plate.
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Which of the following is not a characteristic of animals?
A. Cell with cell walls
B. Multicellular organisms
C. Are consumers
D. Break down food
Answer:
A. Cell with cell walls is not a characteristic of animals.
37. What is the main part of a muscle?
O insertion
Oorigin
Obursa sac
O muscle body
The main part of a muscle is the muscle body.
What is muscle body?The muscle body, also known as the muscle belly, is the main part of a muscle that is composed of muscle fibers, connective tissue, nerves, and blood vessels. The muscle body is the thickest part of the muscle which is capable of contracting and generating force when stimulated by nerves.
The origin and insertion are the points at which the muscle attaches to the bone or other connective tissues, while the bursa sac is a small fluid-filled sac located between a tendon and bone or skin, which helps to reduce friction and irritation between the two structures.
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One difference between photosynthesis and cellular respiration is that
cellular respiration:
OA. involves an electron transport chain.
O B. involves a series of chemical reactions.
C. breaks down glucose to make ATP.
D. occurs in both plant cells and animal cells.
Answer:
I believe the answer is C. breaks down glucose to make ATP
Explanation:
Photosynthesis is the process in which a plant takes in solar energy, water, and carbon dioxide to create glucose and oxygen. Organisms such as humans and animals use the products of photosynthesis in a process known as cellular respiration. Our body breaks down glucose to create an energy source known as ATP. :)
35 Which most likely describes the climate on the western side of the Andes mountains?
A. cool winters and warm summers
B. warm winters and hot summers
C. warm winters and cool summers
D. cold winters and cold summers
which direction would water in Charlottesville flow to reach the chesapeake bay
To get to the Chesapeake Bay from Charlottesville, water would travel eastward.
From where does Charlottesville's water come?The South Fork Rivanna River Reservoir, which lies along Route 29 North and serves as the City of Charlottesville's main water source, and Ragged Mountain Reservoir both supply water to the city. Mechums and Moormans rivers make up the majority of this reservoir's water supply.
Which four Virginian rivers enter the Chesapeake Bay?From the west, the James, York, Rappahannock, Potomac, Patuxent, Patapsco, and Susquehanna pour into the Bay.The Pocomoke, Wicomico, Nanticoke, Choptank, and Chester all approach from the east in a similar manner.
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Photosynthesis takes place in the _______________ and releases __________________.
mitochondria, oxygen
chloroplast, carbon dioxide
mitochondria, carbon dioxide
chloroplast, oxygen
Which of the following is an example of a regenerative agricultural practice?
Sadie uses natural processes to stimulate the formation of new topsoil.
Timothy uses natural pesticides to keep his crops healthy.
Sally rotates crops regularly to help prevent pest outbreaks.
Quinton practices no-till farming to maintain the fertility of the soil.
Sadie uses natural processes to stimulate the formation of new topsoil is an example of a regenerative agricultural practice.
What is regenerative agriculture?- Regenerative agriculture focuses on rebuilding soil health, increasing biodiversity, and improving ecosystem services. Sadie's practice of using natural processes to stimulate new topsoil formation is an example of this.
By promoting the growth of topsoil naturally, Sadie is building the fertility and resilience of her soil, which can reduce her need for synthetic fertilizers and other inputs that can harm the environment. This practice is sustainable, eco-friendly, and can help to mitigate many of the negative effects of traditional farming on the environment.
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Which animal species spends most of the time sleeping
A) carnivores
B) herbivores
C) marsupials
D) sleep times are approximately the same for all animals
Answer:herbivores
Explanation
A negative feedback loop works by
reversing the response to an event.
accentuating the response to an event.
speeding up an effect.
having a destabilizing effect.
Reversing the response to an event is how a negative feedback loop operates. A system's output is fed back as an input into a negative feedback loop, which stabilizes the system by reversing the initial response.
What is the effect of a negative feedback loop?Negative criticism happens when a framework's result acts to diminish or hose the cycles that lead to the result of that framework, bringing about less result. In general, systems can self-stabilize thanks to negative feedback loops. A crucial control mechanism for the body's homeostasis is negative feedback.
Does a negative criticism circle invert?A negative feedback look immediately restores the body to its normal state by reversing a disturbance in homeostasis. The statement is accurate. The process that is taking place is resisted or reversed by negative feedback loops.
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48. What layer of the GI tract does the most secreting and absorbing?
O serous
O muscular
O submucosa
O mucous
The correct answer is C. Submucosa. The submucosa is the layer of the GI tract that contains many of the glands that secrete digestive enzymes and hormones. It also contains blood vessels and lymphatics that play a key role in absorbing nutrients.
The mucous layer provides a protective barrier and helps to lubricate and facilitate the movement of food. The muscular layer contracts to move food along the GI tract, and the serous layer covers and protects the organs in the abdominal cavity.
What is GI tract?The GI tract, also known as the digestive system, is a group of organs that work together to break down food, absorb nutrients, and eliminate waste products from the body. The GI tract starts at the mouth and includes the esophagus, stomach, small intestine, large intestine, rectum, and anus.
The organs of the digestive system secrete a variety of enzymes and acids that help to break down food into its component parts, which are then absorbed by the body for energy and other essential functions.
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Use the image to answer questions 34 through 36. The Atacama Desert in Chile is one of the driest places on Earth. The Atacama Desert has an average precipitation of less than 0.1 millimeter (mm) per year. On the other side of the Andes Mountains, Salta, Argentina, has an average precipitation of 700 mm per year.
What characteristic is most responsible for the differences that occur in the weather in this area?
F. the height of the Andes Mountains
G. the wave action of the Pacific Ocean
H. the dryness of the Atacama Desert
I. the trade winds from the Atlantic Ocean
The characteristic that is most responsible for the differences in weather between the Atacama Desert and Salta, Argentina is H) the dryness of the Atacama Desert.
The Atacama Desert is located on the western side of the Andes Mountains, which blocks moist air from the Pacific Ocean, leading to very little precipitation in the area. Salta, on the other hand, is located on the eastern side of the Andes, where moist air from the Atlantic Ocean is able to reach the area and cause precipitation.
it is the dryness of the Atacama Desert that is the main factor responsible for the lack of precipitation in the area, rather than any of the other options listed in the question.
Therefore, the correct option is H. the dryness of the Atacama Desert.
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Which of the following plants do NOT produce pollen?
A. Pine tree
B. mosses
C. apple tree
D. corn
two virginia cities that drain into north Carolina sounds using the map
According to the map you gave, Norfolk and Virginia Beach are two Virginia cities that drain into the North Carolina Sounds.
What rivers are part of the watershed for North Carolina's sounds?The sound is 450 square miles in size, 60 miles long, and up to 15 miles across. It contains water from numerous tiny streams as well as the Roanoke, Chowan, and Pasquotank rivers.
In North Carolina, how many sounds are there?The Outer Banks are surrounded by five seas. They are the Currituck Sound, Albemarle Sound, Croatan Sound, Roanoke Sound, and Pamlico Sound, in that order from north to south. When one sound ends and the next one begins, there is no distinct boundary.
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Process where homologous chromosomes exchange genetic material during meiosis. What’s it called?
Answer:
The process of crossing over during Meiosis 1 happens in the Pachytene stage. The process itself is called Recombination and it occurs with the help of the enzyme Recombinase, the sites of crossing over are called Recombinant modules.
Explanation:
Which letter represents the products in the chemical reaction?
Which letter represents the reactants in the chemical reaction?
Need ASAP
The letter that represents the products in the chemical reaction is C.
The letter that represents the reactants in the chemical reaction is A.
What are reactants and products in a chemical reaction?In a chemical reaction, reactants are the starting materials that undergo a chemical change to form new substances called products.
Reactants are typically written on the left side of a chemical equation, while products are written on the right side. For example, in the following equation for the combustion of methane:
CH4 + 2O2 → CO2 + 2H2O
Methane (CH4) and oxygen (O2) are the reactants, while carbon dioxide (CO2) and water (H2O) are the products. During the reaction, the methane and oxygen react to form carbon dioxide and water as new substances.
The law of conservation of mass requires that the total mass of the reactants be equal to the total mass of the products in any chemical reaction.
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Which statement accurately describes the "temperate forest" biome?
Many animals that hibernate live here.
There are low levels of precipitation.
Most of the human population lives here.
Animals that live here tend to be smaller and nocturnal.
The statement that accurately describes the "temperate forest" biome is:
Many animals that hibernate live here.
Temperate forests are characterized by moderate temperatures and distinct seasons, with cold winters that often lead to some animals hibernating to conserve energy during periods of low food availability. The biome typically has a rich diversity of plant life, including deciduous and evergreen trees, as well as a variety of animal species such as deer, squirrels, bears, and various bird species.
What is the biggest contributor to global warming?
increased solar radiation
deforestation
burning fossil fuels
natural cycles
The biggest contributor to global warming is burning fossil fuels.
What is global warming ?Global warming is an increase in the average temperature of the Earth's atmosphere and oceans, caused by the emission of greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the atmosphere and cause the planet to become warmer. This process is known as the "greenhouse effect." Long-term climate change due to global warming is expected to cause changes in weather patterns, rising sea levels, changes in the amount and pattern of precipitation, and an expansion of deserts in the subtropics. It is also expected to cause increases in extreme weather events, such as heat waves, droughts, floods, and hurricanes.
Therefore the correct answer is C.
burning fossil fuels
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The biggest contributor to global warming is burning fossil fuels.
Why burning fossil fuels is the biggest contributor to global warming?Burning fossil fuels is the biggest contributor to global warming because when we burn these fuels, we release large amounts of carbon dioxide and other greenhouse gases into the atmosphere. These gases trap heat from the sun and cause the Earth's temperature to increase, leading to global warming and climate change.
Fossil fuels are also the primary source of energy for transportation, industry, and electricity generation around the world. As the global population continues to grow and economies continue to develop, the demand for energy increases, leading to more burning of fossil fuels and more greenhouse gas emissions.
While deforestation, natural cycles, and increased solar radiation can also contribute to global warming, the burning of fossil fuels is the largest and most significant human-caused contributor.
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The graph shows the results of a famous biological experiment. In the experiment, Kettlewell believed that the peppered moth demonstrated how environmental pressures influence evolution. He studied two areas. Birmingham was a rural wood, with natural conditions. Dorset was an urban, industrial area. The moths use tree trunks to camouflage themselves against birds, which are their major predators. Natural gene variations produce a light form of the peppered moth, and a dark form, meaning that they are not equally visible.
All BUT ONE statement is supported by Kettlewell's data. That is
Question options:
Dark moths had a survival disadvantage in industrial Dorset.
Light moths had a survival disadvantage in industrial Dorset.
Dark moths had a survival disadvantage in forested Birmingham.
Light moths had a survival advantage in forested Birmingham.
The statement not supported by Kettlewell's data is "Light moths had a survival disadvantage in industrial Dorset," while the other statements are supported by the experiment's results.
What statement is not supported by Kettlewell's data regarding the survival of peppered moths?The statement that Kettlewell's statistics does not support is: "Light moths had a survival disadvantage in industrial Dorset."Kettlewell's data showed that dark moths had a survival advantage in forested Birmingham, where the tree trunks were darkened by pollution, making the dark moths harder to spot by predators. In contrast, light moths had a survival advantage in forested Birmingham before industrialization when tree trunks were lighter in color.
In industrial Dorset, where pollution had darkened the tree trunks, Kettlewell found that dark moths had a survival advantage, as they were better camouflaged against the darker tree trunks. Light moths, on the other hand, had a survival disadvantage in industrial Dorset, as they were more visible to predators against the darkened tree trunks.
Therefore, all the statements except "Light moths had a survival disadvantage in industrial Dorset" are supported by Kettlewell's data.
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Complete Question
The graph shows the results of a famous biological experiment. In the experiment, Kettlewell believed that the peppered moth demonstrated how environmental pressures influence evolution. He studied two areas. Birmingham was a rural wood, with natural conditions. Dorset was an urban, industrial area. The moths use tree trunks to camouflage themselves against birds, which are their major predators. Natural gene variations produce a light form of the peppered moth, and a dark form, meaning that they are not equally visible.
All BUT ONE statement is supported by Kettlewell's data. That is
Question options:
Dark moths had a survival disadvantage in industrial Dorset.
Light moths had a survival disadvantage in industrial Dorset.
Dark moths had a survival disadvantage in forested Birmingham.
Light moths had a survival advantage in forested Birmingham.
i need help on this question
Answer:
A D
Explanation:
What changes in weather have we seen with rising temperatures?
fewer drought events
more precipitation in coastal areas
less extreme storms
more cold records set in temperature than hot ones
Answer: more precipitation in coastal areas
Explanation:
Droughts are becoming longer and more extreme around the world. Tropical storms becoming more severe due to warmer ocean water temperatures.
Please help!!! I am not good in writing….
Desert food web
Write a paragraph (s) explaining how energy transfers from organism to organism in your food we . Your paragraph can be informational or you can bring out your creative side and write a story. A minimum of 10 sentences with correct writing conventions is required. Plagiarism is NOT allowed!
Energy flows in food webs according to the 10% rule, which states that only 10% of the energy stored as biomass in one level is transmitted to the following level.
How is energy transferred between organisms in a food web?
Food webs are interactions between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.
Energy flow occurs according to the 10% rule, which refers to the energy flow along the trophic chains from autotrophs to heterotrophs and detritivorous organisms.
Only 1% of the solar energy that reaches the Earth's surface is absorbed by autotroph organisms. From there, each trophic level transmits 10% of its energy to the following trophic level. The remaining 90% is lost to the environment as heat.
The 10% rule states that only about 10% of the energy stored as biomass at one trophic level per unit of time ends up as biomass at the next trophic level, in the same unit of time.
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Suppose in humans an autosomal gene, , causes dwarfism in one homozygous state (++) , normal height in the heterozygous state (+−) , and is embryonic lethal in the other homozygous state (−−) . A separate gene, , found on another chromsoome causes albinism, an autosomal recessive disorder. Albino individuals have the −− genotype. Rick and Lori, who are both heterozygous for both genes (+−+−) , just had a son, Carl. What is the probability that Carl is a dwarf with albinism?
Each chromosome in the undivided state is homozygous for any recessive allele, which equals 1 (3/4)3. = 37/64.
What is the likelihood that you are an albino carrier?This means that in order to be born with albinism, a kid must inherit two copies of the gene—one from each parent—from both parents. If both parents have the gene, their child has an odds of one in four of having colorblindness and a one in two probability of having the gene.
What is the likelihood that both kids are albinos?Everything depends on whether both you and your wife are albino. If neither of you have children, there is a one in four probability that one of them will be albino.
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