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Brut [27]
3 years ago
9

Natural selection has not eliminated many harmful conditions and nonadaptive characteristics that appear during old age. This is

because:
Biology
1 answer:
SashulF [63]3 years ago
5 0

Answer:

The theory of aging evolution

Explanation:

The theory of aging evolution seeks to investigate the reasons why living beings begin a degeneration process at a certain age, among the various theories proposed is that of <em>Peter Brian Medawar</em> proposed in 1952, who claimed that natural selection avoided these mutations malignant <em>during the reproductive stage</em> to avoid the reduction of the population, however once this stage concluded the selection allowed them to manifest themselves.

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the number of protons increases.

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2 years ago
The __________ is the main control center for the autonomic nervous system. A. forebrain B. thalamus C. hypothalamus D. cerebrum
nirvana33 [79]
The autonomic nervous system (ANS) is the part of the nervous system which is involuntary. It is composed of neurons that is responsible for impulsing the central nervous system to muscles and glands. The hypothalamus is the most important part and main control center of ANS. It is responsible for many homeostatic processes inside our body. Both the autonomic function and the endocrine function is regulated by the hypothalamus.
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How is the sunlight affecting shorter plants?
Gnom [1K]

Answer:

they are not getting enough sunlight to begin with the growth tends to become weak

Explanation:

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Sonographic findings of severe micromelia, decreased or absent ossification of the spine, macrocephaly, and micrognathia describ
andrew-mc [135]

Answer: Option A.

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Explanation:

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Achondrogenesis is a genetic disorder that is as a result of mutations in gene SLC26A2 which is responsible for cellular transport proteins that is needed for the growth and development of bones and cartilage. This condition lead to malformation of bones and cartilage and it is characterized by short limbs, small body, narrow chest ,prominent abdomen,underdeveloped lungs,lack of ossification in the spine and pelvis, prominent head, small chin e.t.c.

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