What do cells need to do between divisions to make sure they don't just get smaller and smaller.

1 answer:

5 0

Cells reproduce by splitting in half, a process called Cell Division. They get bigger before they divide so the don't just get smaller and smaller.

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What happens if you drop precalc as a junior?

Ipatiy [6.2K]

It depends on if you have your required amount of credits for mathematics. If you do, then you don’t have to take any more mathematics classes, but if you don’t then you’ll still have to take an alternative mathematics class/es in order to graduate. Classes that are dropped will appear on your transcript as so

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Question 15 (1 point) Which of the following demonstrates positive phototropism? bean plants twisting around a bean pole 12 a ho

Pavlova-9 [17]

Given what we know, we can confirm that among the options listed, the more appropriate example of positive phototropism is the houseplant growing towards the window.

<h3>What is positive phototropism?</h3>

This is a photosensitive reaction that occurs in plants.
Positive phototropism is described as the growth of plants towards the source of light.
While negative phototropism is when the plants lean away from the light.
Sunflowers and bananas, which lean towards the sun as they grow, are prime examples of positive phototropism.

Therefore, given the definition of positive phototropism as the growth of an organism towards a source of light, we can confirm that the option stating that the houseplant grows towards the window is the best example of this concept, given that the window is the source of light for the plant.

To learn more about phototropism visit:

brainly.com/question/16915126?referrer=searchResults

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3. Describe how the nervous system helps different parts of your body communicate with one another the moment you begin to pet a

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When petting a dog, mechanoreceptors in the skin of your hand send signals to the sensory neuron. The sensory neuron connects to your spinal cord and through your brain.

Explanation:

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1. What is the limiting factor for most animal life in the open ocean?

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Answer:

Biotic: Food availability

Abiotic: Temperature

Explanation:

There are two types of limiting factors for biodiversity: biotic and abiotic. Biotic refers to living things, for example, organisms that are an important food source. Most animal life forms in the ocean highly depend on the availability of a food source. If food is limited or scarce, the populations of a given species could face significant declines.

On the other hand, there are abiotic factors, which refer to factors that are not alive, such as physical factors. For instance, temperature and light. For marine organisms, temperature is a critical factor. Even an increase of 'only' 1 ºC could make a huge difference in the survival of a species as it could disrupt their ability to forage, hunt, or perform physiological processes, e.g. metabolism.

Therefore, if we refer to a biotic factor, food availability is a limiting factor for most animal life in the open ocean, whereas, if the refer to an abiotic factor, temperature (and light) are limiting factors for pelagic life.

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