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Hatshy [7]
3 years ago
12

______ were the first plants that did not require water for transferring sperm to eggs.

Biology
1 answer:
givi [52]3 years ago
8 0

Answer:

ferns

Explanation:

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What action is directly responsible for the generation of an action potential at the sarcolemma?
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Nervous stimulus action for muscle contraction

Explanation:

Nerve stimulation is sent to the sarcolemma, which are motor nerves at the neuromuscular junction (junction between the terminal part of a motor axon with a motor plate), after which nerve endings implant in the sarcolemma and form plaque on the surface of muscle fibers, which in turn transmit stimulus to the musculature.

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Dioecious plants have;
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Answer:

Dioecious and monoecious plants actually have something in common, in that they both bear unisexual flowers. This means that each bloom has only male or female reproductive parts. With dioecious plants, the male and female blossoms appear on separate plants. With monoecious plants, each plant has both male and female flowers.

Explanation:

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Which is the correct answer?
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Which statements correctly describe mutations in gametes and mutations in somatic cells?
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The mutation in the somatic cells is known as somatic mutations. As they do not take place in the cells, which give rise to gametes, thus, the mutation is not inherited to the next generation by the sexual means.  

On the other hand, the genetic mutations take place in the germline cells, that is, egg and sperm, because of this the mutations possesses the tendency to get passed on from one generation to another.  

Thus, mutations are only passed on to offspring when they take place in germ cell DNA. The other kind of cells, the somatic cells refers to the rest of the cells in the body and mutations, which takes place in these cells do not get inherited further to the offspring.  

Hence, the correct statements are mutations to gametes can be passed on to an organism's offspring and mutations to somatic cells are only present in the type of cell in which the mutation occurred.

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