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gizmo_the_mogwai [7]
3 years ago
14

Scientists have discovered by looking at fossil records that the ancestors of flying squirrels did not have flight membranes and

are very similar to tree squirrels today. Make a hypothesis about how flight membranes evolved in flying squirrels through the process of natural selection.
Biology
1 answer:
Assoli18 [71]3 years ago
7 0

they use natural selection because they got separated from their kind and have to make new living also they need to adapt to the environment

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When sugar is dissolved in water which is a solute?
fomenos
A solute is the part that gets dissolved in the solvent, so the solute is the sugar
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During protein synthesis, the peptide bond between amino acids is formed by the process of _____.
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Which of the following statements about aldosterone is NOT correct?- Aldosterone is stimulated by decreased plasma sodium levels
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C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.

Explanation;

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3 years ago
Please help me wuth this:
ipn [44]

1. Answer;

It facilitates the movement of the fetus towards the pelvic girdle thus the child is born headfirst.

Explanation:

  • During labor the pelvic floor facilitates movement of the fetus towards the pelvic girdle by resisting the descent of the presenting part. This makes the fetus to rotate forwards and therefore results in majority of the fetus being born headfirst.  

2. Answer;

Purple pushing lead to development of pelvic floor problems.

Explanation

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  • Purple pushing involves the midwife instructing a woman to hold her breath for ten seconds while forcefully pushing down during a contraction.
  • in the second stage instead of waiting for the mother to feel the instant urge of pushing which lead to development of pelvic floor problems.

3. Answer;

Exercise can help to strengthen the abdominal muscles and reduce the appearance of diastasis recti.

Explanation;

  • By contracting transversal abs muscles they strengthen and pull the muscles inwards.
  • The diastasis recti reduce with time due since the rectus muscles come close to each other enabling a human being to live a normal life because flexion, bending and stability becomes easy.

4. <u>Answer</u>

  • Pelvic floor muscles
  • Stomach muscles
  • Abdominal muscles
  • Perineal muscles
  • Uterine muscles

<u>Explanation</u>

  • Abdominal muscles are stretched to their limit by term. They greatly decrease the ability to perform strong contraction.
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  • Perineal muscle tightening strengthens the pubococcygeus muscle and increases its tone.

5. Answer and explanation;

  • Sports that can lead to falling down e.g. skating
  • Sports that may involve altitude change
  • Exercises that involve lying flat on your back
  • Exercises that involve holding o breath
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6. Answer

Yes

Explanation

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  • Exercise maintains physical fitness, health and wellness aiding growth to the unborn since the mother gains enough strength and energy and there is proper blood flow.
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7. <u>Answer</u>;

One is supposed to get up slowly and gradually to avoid dizziness.  

<u>Explanation;</u>

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7 0
2 years ago
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Answer:

the answer is they move freely

Explanation:

6 0
3 years ago
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