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ki77a [65]
4 years ago
5

When comparing energy and chemicals in an ecosystem?

Biology
1 answer:
Crazy boy [7]4 years ago
6 0

Answer:

Chemical nutrients and energy tend to flow in the same direction for most of an ecosystem. The big difference is that the chemical nutrients are ultimately recycled in the ecosystem while the energy is ultimately lost from the ecosystem to the universe at large. Energy in any ecosystem ultimately comes from the Sun.

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Cameron was given the following series of observations. Which represents a theory?
krek1111 [17]
To answer this question, let us define first what is a theory. Well, a theory is an idea or hypothesis that explained something. From the given choices, the answer is the letter "C" which is "Rocks break down over time". This is the answer since this is the only the statement that can be proven.
7 0
3 years ago
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Toward the end of depolarization, voltage-regulated ____________ channels open while the sodium channels close.
harina [27]

Toward the end of depolarization, voltage-regulated <u>slow calcium</u> channels would open while the sodium channels close.

<h3>What is cardiac cycle?</h3>

Cardiac cycle can be defined as a complete heartbeat of the mammalian heart and it comprises sequential-alternating contraction and relaxation of the atria and ventricles, in order to allow blood flow unidirectionally (one direction) throughout the body.

<h3>The stages of cardiac cycle.</h3>

Based on scientific evidence, the cardiac cycle in living organisms happens in two (2) stages;

  • Diastole
  • Systole

<h3>What is depolarization?</h3>

Depolarization of the mammalian heart is a process which involves an orderly passage of electrical current sequentially through the heart muscle within the four chambers (4) of the heart such as atria and ventricles.

Toward the end of depolarization of the mammalian heart, voltage-regulated <u>slow calcium</u> channels would open while the sodium channels close.

Read more on the heart here: brainly.com/question/75085

8 0
2 years ago
Match each word to its definition
Anna [14]

Answer:

1. Noncompliance

2. Fraud

3. Ethics

4. Morality

5. Integrity

6. Bias

Explanation:

Hope this helps : ) they are very similar and quite tricky but I found this was the best fit.

3 0
3 years ago
What kind of eukaryotic cells make their own food, and what kind of process do they use?
Korvikt [17]

Answer:

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Explanation:

the use the process of photosynthesis

5 0
4 years ago
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rewona [7]
Skeletal muscle is smooth and is under voluntary movement, which means you control it. Smooth muscle tissue forms the support for your hollow organs. So the correct answer is:
<span>
Skeletal muscle tissue controls voluntary movements, whereas smooth muscle tissue controls involuntary movements. </span>
5 0
3 years ago
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