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Fantom [35]
3 years ago
5

What do earthworms exchange during mating

Biology
1 answer:
weqwewe [10]3 years ago
4 0
During mating, two worms line up inverted from each other so sperm can be exchanged.
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Before Muller's discovery that radiation induces mutation, scientists had to work on mutations that were found solely by phenoty
Karolina [17]

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large number of easily visible phenotypes

Explanation:

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4 years ago
The color of a star is primarily determined by its _____. composition size apparent brightness age surface temperature
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The color of a star is primarily determined by its surface temperature.

For example, the really hot stars, called White Dwarf stars, have a white surface temperature, while a cooler star would have a more red color.
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Who did the baby mouse get its DNA from?
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It’s Family and from the past evolutions of that species

Explanation:

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3 years ago
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Which characteristic of the male reproductive system is not variable among animal species that reproduce sexually?
Kay [80]

The question is incomplete as it does not have the options which are:

A.) Presence of genitalia.

B.) Shape of genitalia.

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Answer:

Option-A

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The animals which bear the reproductive structures therefore always show the presence of both internal and external reproduce organs like testes, Vas deferens as internal organs and penis and scrotum as external organs.

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7 0
4 years ago
Which feature helps shortleaf pines resist fires?
professor190 [17]

A root structure that protects buds from fire helps short-leaf pines resist fires

Answer: Option D

<u>Explanation:</u>

Short leaf pine plant in the struggle for existence under hot scorching fire has developed a root structure that protects the buds from fire. This type of pine is called a fire resistant plant as it survives in the canopy of other trees.

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