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Annette [7]
2 years ago
6

The hypothesis the evolution occurs at a slow constant rate is known as

Biology
1 answer:
crimeas [40]2 years ago
5 0

D. Gradualism

After a while organism will become more uniform and thus evolutions began to slow down.

Example: humans

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You observe that your friend has dimples. dimples result from the presence of the dominant gene d; absence of dimples is a homoz
anzhelika [568]

Answer:

DD or Dd

Explanation:

Dimples is the dominant trait (D). Your friend has dimples so that means he or she should have at least one allele of the dominant trait to express that trait. So your friend would either be homozygous dominant (DD) or heterozygous dominant (Dd). Notice that there is a recessive allele in the second. Even with that present, dimples would be still expressed.

4 0
3 years ago
4. Compare and contrast a mechanical wave and an elec-
densk [106]

Answer:

difference:

1. The generation mechanism is different, the mechanical wave is generated by mechanical vibration; the electromagnetic wave generation mechanism is also different, there is the periodic movement of electrons (radio waves); the outer electrons with atoms are generated after being excited (infrared, visible, ultraviolet) The inner electrons with atoms are generated after excitation (roentgen rays); the nuclei with atoms are generated after excitation (gamma rays).

2. The propagation mechanism is different: the mechanical interaction between the particles and the alternating induction of the electromagnetic field.

3. Mechanical waves have both transverse waves and longitudinal waves; electromagnetic waves are material waves and belong to transverse waves.

4. The influence of the medium on the propagation speed is different

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https://qiaodahai.com/similarities-and-differences-between-mechanical-waves-and-electromagnetic-waves.html

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3 years ago
A mutation in a mitochondrial gene has been linked to a rare muscle-wasting disease in humans. This disease is
Tems11 [23]
Inherited from the mother!
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Arrange the following structures in order from the small intestine to the rectum. (1) ascending colon (2) descending colon (3) s
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Explanation: Ascending colon; the colic valve(the ileocecal valve) is located at the bottom of the ascending colon. At the top of the ascending colon, the colon bends to the left, forming the right colic flexure called the hepatic flexure. The transverse colon begins after this flexure.

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Descending colon; it start from the splenic flexure to the beginning of the sigmoid colon. The descending colon stores the remnant of digested food that will be deposited into the rectum.

Sigmoid colon; also known as pelvic colo is the closest to the rectum, it is a passage by which digested food move into the rectum.

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3 years ago
An important characteristic of urine is its specific gravity or density, which is ________.
dlinn [17]
Slightly higher than water.
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