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Ilia_Sergeevich [38]
3 years ago
14

Which of the following would be the best way for an ecologist to determine the facts of an industrial waste chemical on the surv

ival of a fish species
Biology
1 answer:
Otrada [13]3 years ago
5 0
Where r the following choices?

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Name three organelles or structures found in plant cells but NOT in animal cells. Group of answer choices nucleus chloroplast mi
BARSIC [14]

Answer:

Cell wall, chloroplast, and central vacuole

Explanation:

Cell wall, chloroplast, and central vacuole are present in a plant cell but not in the animal cell.

Nucleus, cell membrane, and cytoplasm present in both plant and animal cells.

6 0
2 years ago
Which of the following questions could be investigated through scientific research?
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The question that could be investigated through scientific research is B. Does a newly synthesized chemical reduce bacteria? The answer is B. Because the other questions aren’t science questions. They are bias.
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3 years ago
Sled dogs have a thick coat of hair that helps them withstand the cold temperatures of the arctic. Compare that adaption to a si
Svetradugi [14.3K]

Answer;

Population; physiological modifications at the individual level.

The adaptation of the sled dog best describes adaptation at the population level while the dog exposed to seasonal colder temperatures has physiological modifications at the individual level.

Explanation;

-The bodies of sled dogs are covered with two coats of hair that work together to provide a double layer of warmth. The under layer is very short and the dog sheds it in the spring to keep from overheating during warmer temperatures.

-During the colder winter months, this under layer works as an insulator against the dog's skin to keep his body warm and his core body temperature consistent. This adaptation best describes adaptation at the population level while the dog exposed to seasonal colder temperatures has physiological modifications at the individual level.

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3 years ago
A cell plate is forming in one of the cells that you are observing, which of the following type of cells could you be viewing?
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Where does positive selection of t cells occur?
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Positive selection of t cells occur in .the thymus
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