Identify the tree main parts of the model, and the four spheres that are used to organise concepts in two of these parts?

The Echinoidea class has a globose and discoidal body, with no arms. They have a skeleton composed of plates with spikes. Ambulacral feet are in charge of motion, feeding, and respiration. A) Covered in spikes and have several tube feet.

Echonoidea, commonly known as Sea ​​urchins, belong to the Echinoderm group.

They have a globose or discoidal shape. They lack arms, and have an external skeleton covered by the epidermis. This skeleton is composed of several plates with articulated mobile spikes.

In the body interior there is a duct system that communicates with the exterior through the madreporite. Ambulacral feet derivate from these ducts and have motion, feeding, and respiratory functions.

On the dorsal region, there are 5 plates, one of them the madreporite and the remaining ones are reproductive plates.

According to this information, option A is correct. Echinoidea class is covered in spikes and have several tube feet.

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Answer:

it's C

Explanation:

I took the exam

A crosscutting concept is one that has applications in different branches of science.

The ones we have in the answer options are the following:

• Structure and Function,, which says that the ,shape, of an object gives it certain, properties and functions.

• Scale, proportion, and quantity,, which refer to what is important when studying something can be affected by the scale of it, as well as to the proportional relationships between quantities when the scale changes.

• Energy and Matter,, regarding the tracking of changes and flow of energy and matter in a system.

• Stability and Change,, which tells us that every system has conditions that affect its stability, and these need to be considered.

In the question, they are talking about how the order of the nucleotides in the DNA determines the amino acids of a protein, and thus its shape and chemical properties, which determine the function that the protein has.

This means it refers to the cross-cutting concept of structure and function, so the right answer would be A.

True. Steroid hormones can directly enter cells and bind to receptors within the cell.

Steroid hormones are lipophilic in nature, which enables them to pass through the cell membrane and enter cells directly. Once inside the cell, they can bind to specific intracellular receptors located in the cytoplasm or nucleus. The hormone-receptor complex then acts as a transcription factor, modulating gene expression and influencing cellular processes.

This direct entry of steroid hormones into cells and subsequent binding to intracellular receptors is a characteristic feature of their mode of action. It allows for rapid and specific regulation of target genes, leading to various physiological responses and cellular changes.

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The cigarrettes have over 4.700 chemical substances and most of them are harmful or even poisonous, damaging your airways and the alveoli. The chemicals can affect our health in many ways, as they can damage DNA and make it harder for the cells to repair damaged DNA. Cancer usually is associated to a DNA damage, causing the damaged cell to replicate uncontrollably, creating a tumour. Therefore, damages in DNA structure can lead to a cancerous tumour.

Answer:

Smoking can cause cancer and then block your body from fighting it: Poisons in cigarette smoke can weaken the body's immune system, making it harder to kill cancer cells. When this happens, cancer cells keep growing without being stopped. Poisons in tobacco smoke can damage or change a cell's DNA.

Answer:

The bones of skeletal system serve to protect the body's organs and support the weight of the of the body ,giving the body it's shape

Explanation:

The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body

Answer:

The answer is D

Explanation:

Mules are corssed by a zebra and a donkey and they have an odd number of chromosomes since they were born from different species.

Answer:

I think its D

Explanation:

Because the statement is true

Answer:

It should be C. inner ear

Explanation:

according to the web

Answer:

I got "D. It has a higher amplitude than that of the original waves."

Explanation:

When two waves combine with destructive interference the combined wave that is formed has a lower amplitude than that of the original waves.

Interference is a phenomena in which two waves are superimposed to create a wave with a larger, smaller, or identical amplitude.

When two waves are in phase and their maxima add, a process known as constructive interference occurs where the combined amplitude of the two waves equals the sum of their individual amplitudes.

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Answer:

D: Rest and Water

Explanation:

Sleep improves the potential ability of some of the body's immune cells to attach to their targets, according to a new study. The study helps explain how sleep can fight off an infection.

Answer:

D

Explanation:

because the water is resting and you need to rest

Answer:

I know I am too late to help you, but I couldn't find an answer when looking for this question. I got it right and it is A. an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation.

Explanation:

Evolution by way of natural selection is most likely an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation. The correct option is A.

Natural selection is the process through which organisms that are more adapted to their environment tend to survive and reproduce more than those that are not. Tree frogs, for example, are occasionally eaten by snakes and birds.

Evolution is a process in which living things or other evolve or change over time. Natural selection is also a reason for evolution, which takes a large amount of time.

Therefore, the correct option is A. an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation

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The population has increased until it has reached its carrying capacity is true of the population.

Option D is correct.

Anything that slows or prevents a population from expanding is a limiting factor. Bites, such as food, partners, and competition with other organisms for resources, are examples of limiting factors.

Limiting factors include food, water, light, space, shelter, and access to companions. Individuals will die of starvation, desiccation, and stress in an organism, group, or population that lacks sufficient resources to sustain it, or they will not bear children.

Incomplete question :

What is true of the population shown in this graph? Responses

A.There are no limiting factors to control population growth.

B.It shows the effect of overpopulation on a species.

C.The number of individuals will eventually drop to zero.

D.The population has increased until it has reached its carrying capacity.

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D: The population has increased until it has reached its carrying capacity.

Explanation: k12 1.05

Baleen whales and toothed whales are both types of cetaceans, but they differ in many ways.

Baleen whales are typically larger than toothed whales, and while all baleen whales have two blowholes, most toothed whales only have one. Toothed whales also have teeth and a single, well-defined melon, while baleen whales have baleen plates instead of teeth and two fused melons.

Baleen whales feed on small prey such as krill, plankton, and small fish, which they filter from the water using their baleen plates. Toothed whales, on the other hand, feed on larger prey such as squid, octopus, and fish, which they capture with their teeth.

While baleen whales have several hundred to several thousand baleen plates made of keratin in their upper jaw, toothed whales have teeth. Baleen whales are much larger than toothed whales, and they have a much more streamlined body shape.

Baleen whales typically feed on small animals such as krill, plankton, and fish, while toothed whales feed on larger prey such as squid and fish. The baleen whales use their baleen plates to filter small organisms from the water, while toothed whales use their teeth to capture and tear apart larger prey.

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Answer:

False

Explanation:

I literally got it wrong on the quiz

Answer:

The answer is false

Explanation:

i took the test

The zoom in of a snot worm is in the image attached.

The snot worms, octopus, and eelpout are performing cellular respiration. Inputs include oxygen and organic molecules, and outputs include carbon dioxide, water, and energy in the form of ATP.

In cellular respiration, the process by which cells break down organic molecules to release energy, the inputs are typically oxygen and organic molecules such as glucose. In the case of the snot worms, octopus, and eelpout, they likely obtain these inputs from their food sources. The process of cellular respiration produces energy in the form of ATP, as well as carbon dioxide and water as waste products.

Photosynthesis, on the other hand, is the process by which organisms convert light energy into chemical energy, and typically involves the uptake of carbon dioxide and release of oxygen. However, snot worms, octopus, and eelpout are not capable of photosynthesis, as they lack the necessary pigments and organelles to perform this process.

Overall, the snot worms, octopus, and eelpout are likely consuming organic matter for energy through the process of cellular respiration, taking in oxygen and releasing carbon dioxide and water as waste products.

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Answer:

C. The cell must adjust to maintain its original internal temperature.

Explanation:

Answer and Explanation:

Opponents of genetic engineering are afraid that genetically modified seeds will create a species of highly resistant and impossible to control pest that will hinder and even decimate world food production. In addition, they claim that DNA is not a stable molecule, which is why, by modifying the DNA of vegetables, health problems can occur in consumers of these vegetables.

In short, they believe that genetic engineering has no answer to these concerns and that is why they believe that we should not stimulate sOMS food, even if their productivity is higher.

Answer:

C6 H12 O6+6O2-----6CO2+6H2O+ ATP

Chemical reactions of cellular respiration may be determined by where the respiration process undergoes. This is because cellular respiration may be of two types aerobic (in mitochondria), and anaerobic (in yeast and muscle cells).

Cellular respiration may be defined as the strategy by which living organisms incorporate oxygen with glucose molecules, and discard as waste products, carbon dioxide, and water, apart from energy.

The general chemical reaction of the cellular respiration may be determined as :

\(C_6H_1_2O_6 +\)\(0_2\) → \(CO_2 + H_2O +\) ATP. (Aerobic cellular respiration).

Glucose → Pyruvate → Lactate + ATP (Anaerobic cellular respiration).

Therefore, chemical reactions of cellular respiration may be determined by where the respiration process undergoes.

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Answer: Hiya!

The definition of erosion is "the process of eroding or being eroded by wind, water, or other natural agents."

Explanation:

Erosion is a process where natural forces like water, wind, ice, and gravity transport rocks and soil.

Hopefully this helps you

- Matthew :)

Erosion refers to the process of wearing away or removal of material from the Earth's surface, primarily through the action of natural agents such as water, wind, ice, or gravity. It involves the transportation and deposition of sediment and soil from one location to another.

Erosion occurs when the forces of these agents exceed the resistance of the surface materials, leading to the gradual or rapid removal of soil, rocks, or other geological features. The eroded materials are then transported and may be deposited in different areas, contributing to the reshaping of landscapes over time.

Erosion can have both natural and human-induced causes. Natural erosion processes, such as water erosion caused by rivers or wind erosion in arid regions, are part of the Earth's natural geological cycle. However, human activities, such as deforestation, overgrazing, construction, and improper land management practices, can accelerate erosion rates and cause significant environmental damage.

Overall, erosion plays a crucial role in shaping the Earth's surface, creating landforms like valleys, canyons, deltas, and beaches. Understanding erosion processes is essential for managing and conserving natural resources and mitigating the negative impacts of erosion on ecosystems and human activities.

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Solar-powered vehicles primarily use solar panels for capturing the energy in sunlight (OB). These panels consist of photovoltaic cells that convert sunlight directly into electricity.

The generated electricity is either stored in batteries for later use or used immediately to power the vehicle's electric motor, replacing or supplementing the conventional fuel source. Solar panels are advantageous because they provide a renewable and clean energy source, reducing the vehicle's carbon footprint and dependence on fossil fuels.

They are designed to be efficient in converting sunlight to electricity and can often be installed on the vehicle's surface to maximize exposure to sunlight. However, the efficiency of solar panels is dependent on weather conditions, such as cloud cover and the angle of sunlight, which can affect the performance of solar-powered vehicles.

In summary, solar-powered vehicles use solar panels for capturing the energy in sunlight, which is then converted to electricity to power the vehicle. This offers a sustainable and environmentally-friendly alternative to traditional fuel sources, although the efficiency of solar panels may vary depending on weather conditions. Hence, OB is the correct option.

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The combination mental-physical practice condition is effective to learn the skill as well as or better than those in the all-physical practice condition. Mental-physical practice enhances both cognitive and physical skills.

Mental practice, also known as mental/skill rehearsal, refers to the cognitive (i.e., thinking) rehearsal of a given skill prior to its execution.

It has been shown that mental practice can be effective for enhancing the performance of both cognitive and physical skills.

The mental-physical practice has been shown to be helpful to enhance self-motivation, confidence, and reduce feelings of anxiety.

Mental practices always must be employed to supplement physical practices instead of replacing such physical exercises.

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Answer:

heart

Explanation:

because the heart is the answer

Mammals that hibernate are best described as heterothermic endotherms.

Heterothermic refers to the fact that they have two different body temperatures. When these mammals are awake and active, their body temperature varies with the environment, allowing them to maintain a higher and stable temperature.

However, during hibernation, their body temperature decreases significantly to a lower, stable level. This drop in temperature helps them conserve energy and survive periods of reduced food availability.

The term "endotherm" refers to the fact that these mammals generate their own body heat internally. While awake, they regulate their body temperature through metabolic heat production. During hibernation, they rely on their stored fat reserves as a source of energy, which generates metabolic heat to maintain their lower, stable body temperature.

In summary, hibernating mammals are heterothermic endotherms because they exhibit two distinct body temperature states and use different strategies for thermoregulation depending on whether they are awake or in hibernation.

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The cross-modal speech effect typically shows that the brain integrates auditory and visual information when processing speech. This effect occurs when the presentation of visual speech (lip movements and facial expressions) influences the perception of auditory speech (speech sounds), and vice versa.

For example, when a person watches someone speaking, their brain integrates the visual information from the speaker's lip movements and facial expressions with the auditory information from the speech sounds. This integration can improve the perception and understanding of speech, particularly in noisy or challenging listening environments.

The cross-modal speech effect has been studied using various experimental techniques, including McGurk-MacDonald illusions, in which the presentation of conflicting visual and auditory speech cues can lead to perceptual illusions. The effect has important implications for speech perception and communication, as well as for the development of technologies such as speech recognition and synthesis systems.

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Answer:

Grassland Biomes

Explanation:

They are disappearing due to land clearing for farming and urban development. Soil erosion and water pollution increase due to runoff from cleared or poorly farmed areas.

Answer:

Explanation:

i got it right on my test

All choices are functions of the lymphatic system. the lymphatic system performs several critical functions in the body.

It transports dietary lipids, returns excess interstitial fluid to the bloodstream, houses and develops lymphocytes, and generates immune responses. These functions help maintain fluid balance, protect the body against infection and disease, and support overall immune function. Without the lymphatic system, the body would not be able to effectively remove waste, fight off infections, or maintain its overall health.

Therefore, all of the choices listed are important functions of the lymphatic system.

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which is not a function of the lymphatic system?

multiple choice transports dietary lipids returns excess interstitial fluid to the bloodstream houses and develops lymphocytes generates immune responses no exceptions; all choices are functions of the lymphatic system.

Answer:

Alteration of generation, is the type of life cycle that occurs in those plants and algae in the Archaeplastida and the Heterokontophyta that have distinct haploid sexual and diploid asexual stages.

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