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Sergeu [11.5K]
3 years ago
7

Why are Scientific theories useful?

Biology
1 answer:
almond37 [142]3 years ago
7 0
<span>Scientific theories are useful because they help explain phenomena in the natural world that we previously had no or an incorrect understanding of. They are also useful because they are provisional, and so they change and develop as we gain more knowledge.</span>
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Bacteria are a form of animal-like protists.<br><br><br> TrueFalse
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Answer:

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Explanation:

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Which description properly describes the plant structures involved in photosynthesis?<br><br>​
Nonamiya [84]

Answer:

C Phloem transports glucose to the plant, and stomata release oxygen

Explanation:

A Stomata take in water,sunlight, and carbon dioxide and release oxygen  - this is false, the stomata are for gas exchange (taking in carbon dioxide and releasing oxygen). They do not take in water and sunlight

B Phloem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight - this is false, while it is true that stomata take in carbon dioxide, and chlorophyll absorbs sunlight. phloem does not transport water, that is the xylem.

C Phloem transports glucose to the plant, and stomata release oxygen - this is true. Stomata takes in carbon dioxide and releases oxygen, and phloem transport the products of photosynthesis throughout the plant

D Xylem takes in water, sunlight and carbon dioxide and releases oxygen - this is false. Xylem does take in water, but not sunlight, carbon dioxide or oxygen

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3 years ago
Cells must be able to perform certain functions in order to survive. Which of the following must all cells do to survive?
Colt1911 [192]

Hello there, mate! Let's solve together:

With the end goal for cells to endure, they require supplements as glucose and minerals in addition to oxygen.

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Without oxygen, minerals and the evacuation of side-effects, cells don't endure.

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A student is observing a cell on a microscope slide and notices cell walls and membrane-bound organelles The student concludes t
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C. The cell must be a plant cell. 

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Hope this helps! :)
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A pair of homologous chromosomes fails to separate during anaphase I of meiosis.

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