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Virty [35]
3 years ago
8

Which of these statements is true about adaptive evolution?

Biology
2 answers:
Yakvenalex [24]3 years ago
6 0
<span>Adaptive evolution is always changing because the environment is changing continuously.
Hence,
The right answer would be :
</span><span>Adaptive evolution is a fluctuating change in a trait.</span>
nasty-shy [4]3 years ago
4 0

Answer: The correct answer is- Adaptive evolution is a permanent change in a trait.

Adaptive evolution can be described as increase in the frequency of alleles that are beneficial to the survival of an organism whereas decrease in the allele frequency that do not give any importance to the survival and reproduction of organism. It results because of natural selection.

Therefore, it depicts a permanent change in a trait as natural selection acts on the heritable traits of an individual.




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Biology homework please help
ludmilkaskok [199]

Answer:

muscles

ribs

lungs

bronchioles

alveoli

diffuses

leaves

exchange

Explanation:

Your diaphragm, and <u>muscles</u> between your <u>ribs</u>, make air move in and out of your <u>lungs</u>. It travels through the trachea, bronchi, and <u>bronchioles </u>to <u>alveoli</u>. In the alveoli, oxygen <u>diffuses</u> into the blood and carbon dioxide<u> leaves</u>. This is gas <u>exchange</u>.

<em>Air enters the lungs and leaves it as a result of the relaxation and contraction of the diaphragm and the muscles between the ribs. When both the muscles and the diaphragm relax, air enters from the trachea and travels through the bronchi and the bronchioles to the alveoli, where the oxygen in the air diffuses into the blood and carbon dioxide diffuse in the opposite direction. The entire process is known as gas exchange.</em>

7 0
3 years ago
Which of the following groups of organs all remove metabolic wastes from the human body?
devlian [24]

Answer:

the correct answer is D

Explanation:

skin excretes sweat; lungs excrete carbon dioxide; kidneys excretes urine so these organs excrete metabolic waste because if you have learnt about the excretory system, you will come to know the process of excretion and how we humans excrete metabolic and toxic waste from the body.

4 0
2 years ago
Using the terms DNA, trait, code, pattern, gene, describe why each organism is unique
Rom4ik [11]
Each organism is unique because of genetic variation. Each set of genes we inherit from our parents codes for a specific trait. And our DNA is a blueprint for these traits. Not everybody contains the same genes and that is why we are all so beautifully unique.
8 0
3 years ago
WHAT ARE THE DIFFERENCES BETWEEN TEMPORARY AND PERMANENT CHANGE
Masteriza [31]
The difference between temporary and permanent is temporary will only last a little while, permanent on the other hand lasts forever
7 0
3 years ago
Read 2 more answers
Which of the following correctly describes the structure and function of tissue layers found in blood arteries and veins?
Paladinen [302]

Answer:

Explanation:

Tunica media; contains connective tissue that provides structural support  

3 0
3 years ago
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