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Elanso [62]
3 years ago
8

Which statement is an example of a scientific theory? A. The Earth is the third planet from the Sun and has one moon, which orbi

ts the Earth. B. Hummingbirds do not like the color white because they visit other colored flowers more often. C. All living organisms are composed of one or more cells, which came from pre-existing cells. D. The amount that caffeine affects a person's heart rate differs based on the person's age.
Biology
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

D: The amount that caffeine affects a person's heart rate differs based on the person's age.

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How are animal like and plant like protests are similar and different
QveST [7]

Answer:The main way animal-like protists differ from plant-like protists is in the way they get energy. Animal-like protists are heterotrophs. ... Plant-like protists, on the other hand, are autotrophs. They can make their own energy from the sun or other sources just as plants can.

Explanation:

6 0
3 years ago
Explain how the environment play a role in changing the frequency of a mutant allele in a poplution
tiny-mole [99]

Answer:

The environment plays a role in a mutant allele in a population because some mutations are more beneficial to the organism than other mutations.

Explanation:

Organisms with a beneficial allele mutation will be able to pass on their genes as they reproduce. The mutation makes them <em>fit</em> for survival in their environment. Other organisms <em>without </em>the beneficial allele won't be able to pass on their genes since it will be more difficult for them to survive in their environment. Natural selection will deem that the organisms with the mutation will survive better and be able to produce offspring with the same mutation.

3 0
4 years ago
The hypothalamus is known to control the activity of the thyroid, which has traditionally been called the master endocrine gland
Dominik [7]

Answer: The statement is true

Explanation:

The hypothalamus is part of the Fore-brain responsible for the secretion of hormones from the pituitary gland.

This pituitary gland situated in the hypothalamus is traditionally called the MASTER ENDOCRINE GLAND, as it influence the activities of all other glands such as thyroid gland.

Thus, the hypothalamus bearing the pituitary gland is said to be in CONTROL of the activity of the thyroid, and ALSO the master endocrine gland.

3 0
3 years ago
What is the definition of pigment in biology?
choli [55]

NOUN

the natural coloring matter of animal or plant tissue.

VERB

(pigmented)

color (something) with or as if with pigment.

"pigmented areas such as freckles"


3 0
3 years ago
What are two of the reasons cited for the snail population on society being devastated?
mr Goodwill [35]

Answer:

snails move slow

Explanation:

abs

6 0
3 years ago
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