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likoan [24]
2 years ago
15

True or False? : A good scientific experiment will only test one variable. Everything else will be kept constant.

Biology
2 answers:
anzhelika [568]2 years ago
6 0

Answer:

True

Explanation:

Having more than one variable will likely cover up the variable you're looking for.

liubo4ka [24]2 years ago
4 0
True! because if you have more than one variable, you aren’t going to know which variable changed the dependent variable.
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Determine which of the following statements is true about energy in ecosystems. A. Producers only absorb 40% of the sun’s energy
Aleks04 [339]

The true statement for the energy in ecosystems is "Producers only absorb 40% of the sun’s energy, most of which is lost during photosynthesis". The correct option is A.

<h3>What is ecosystem?</h3>

An ecosystem is a geographical area in which plants, animals, and other organisms, as well as weather and landscape, coexist to form a life bubble.

Ecosystems contain both biotic and abiotic components. Plants, animals, and other organisms are examples of biotic factors.

Energy must be transmitted throughout an ecosystem. The sun is the ultimate source of energy in an ecosystem.

Plants and marine ecosystems make up the majority of the terrestrial ecosystem.

Thus, the correct option is A.

For more details regarding ecosystem, visit:

brainly.com/question/13979184

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2 years ago
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Serjik [45]
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7 0
3 years ago
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Living things that use energy
Whitepunk [10]

<u>living things that use energy</u><u>:</u>

<em>~</em><em>Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter</em>

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2 years ago
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JulsSmile [24]

Answer: Mitochondria

Explanation:

Mitochondria are rod-shaped organelles bounded by a double membrane in which the inner membrane is folded and filled with matrix. Mitochondria is present in both plant and animal cells, and serves as the power house where respiration occur and energy is released from the oxidation of simple sugar.

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Have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.

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3 years ago
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