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Simora [160]
3 years ago
12

Below is a hypothesis about why male white-crowned sparrows sing dialects.

Biology
1 answer:
Marina86 [1]3 years ago
5 0

Answer:

The answer is an adaptive value explanation.

Explanation:

Adaptive value is the effect that the behavior of an organism has on the reproductive fitness of the organism.

This can help offspring to cope with their new surrounding or condition.

It is a quantity that can be measured by contribution of an organism to the gene pool of their offspring. This measurement can be releasing of chemicals to avoid predators, sexual mimicry by some animals or trying to imitate so as mix with others.

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Monozygotic twins are __________, while dizygotic twins are __________. the result of mitosis; the result of meiosis fraternal;
Marrrta [24]
I think the correct answer would be the last option. Monozygotic twins are identical, while dizygotic twins are fraternal. Identical twins involves developing from one zygote where it splits, forming two embryos so that the twins would have more or less the same characteristics. This type of twins can share the same amniotic sac depending on the time the fertilized egg is divided. On the other hand, fraternal twins developed from two eggs wherein they are being fertilized by two different sperm cells resulting to twins which has different characteristics. For this type, the two fertilized eggs would develop separate amniotic sacs.
4 0
3 years ago
The heart is ____________ to the lungs. The knee is ____________ to the hip. The wrist is ____________ to the hand. The mouth is
klasskru [66]

Answer:

This question is asking to identify the directional relationship between the following organs. They are explained below.

Explanation:

1. The heart is MEDIAL to the lungs because it is located towards the middle in relation to the right and left lungs.

2. The knee is DISTAL to the hip because it is farther away from the point of attachment of the hip joint.

3. The wrist is PROXIMAL to the hand because the wrist is closest to the point of origin of the hand.

4. The mouth is INFERIOR to the nose because it is lower in direction to the nose.

5. The thorax is SUPERIOR to the abdomen because it is located above the abdomen.

6. The thumb is DISTAL to the ring finger because it is far away from the ring finger.

7. The sternum is ANTERIOR to the heart because it lies in front of the heart

8. The skull is SUPERFICIAL to the scalp because it is close to the body surface.

9. The ears are LATERAL to the nose because it is towards the middle line of the nose

10. Dorsal refers to the BACK of the human body, while ventral refers to the FRONT of the human body.

4 0
3 years ago
A​ small, solid, elevated lesion on the skin is​ a:
olga_2 [115]

Answer;

-Papule

Explanation;

A papule is an area of abnormal skin tissue that is less than 1 centimeter around. A papule has distinct borders, and it can appear in a variety of shapes. Papules are often called skin lesions, which are essentially changes in the color or texture of your skin.

-Papules and pustules are the result of an increase in oil and bacteria trapped inside the pore by dead skin cells. Papules occur when the clogging causes a hair follicle to become inflamed. When this happens, the body's immune system sends white blood cells to fight the infection.

8 0
3 years ago
What is the value of 2x + 1 if x=6?
Katyanochek1 [597]

Answer:

12+1=13

Explanation:

4 0
3 years ago
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