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KatRina [158]
2 years ago
14

Everything is an adaptation. true or False

Biology
2 answers:
notka56 [123]2 years ago
5 0

Answer:

true

Explanation:

True [87]2 years ago
4 0

Answer:

True

Explanation:

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Which of these is a concave lens? Diverging lens where one side is concave and the other convex Lens with both sides convex Lens
maria [59]

Answer:

Explanation:

A convex lens acts a lot like a concave mirror. Both converge parallel rays to a focal point, have positive focal lengths, and form images with similar characteristics. A concave lens acts a lot like a convex mirror.

7 0
3 years ago
The bottleneck event that decimated the bison was caused by _______.
Whitepunk [10]
The answer is an overhunting.

<span>The bottleneck event means drastic reduction of the population size because of environment changes. The consequence of this is the reduction of genetic variation. The bison population is a good example of the population bottleneck. The bison population drastically reduced its size due to overhunting which culminated at the end of the 19th century, when bisons almost extinct. </span>
7 0
2 years ago
Gametes from two plant species combine and produce a haploid zygote. True or False
ankoles [38]

Answer:

True

Explanation:

gametes from two plant species can combine and produce a haploid zygote

4 0
2 years ago
The alpha and beta receptors are known as _________ receptors and are found at the ________ of the ________ division.
Law Incorporation [45]

Answer:

Adrenergic/effector/sympathetic

Explanation:

The two main divisions of autonomic nervous system are sympathetic nervous system and para sympathetic nervous system. This nervous system controls the involuntary actions of the body.

Adrenergic receptors are included in the G protein coupled receptors. Alpha and beat receptors are adrenergic receptors. These receptors are present on the effector molecule. Alpha and beta receptors are important during fight and flight response and are included in the sympathetic nervous system.

Thus, the correct answer is option (e).

3 0
3 years ago
Protein is:_________.
marysya [2.9K]

Answer:

c. made up of 20 different amino acids.

Explanation:

Protein are macromolecules which have long chains of amino acids and they are used in the production of enzymes and aids metabolic activities of the body such as in the repair of worn out tissues and building up of muscle mass.

Protein is unique as it contains about 20 different amino acids. Carbohydrates also have Oxygen present in their compound. Calcium is the mineral responsible for building up of bones and teeth.

5 0
2 years ago
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