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12345 [234]
3 years ago
14

In some cases of head injuries, the cerebrum may be affected. This type of injury could cause a loss of ___A___ and impaired ___

B___
A. breathing regulation
reflexive movement
voluntary movement

B. heart rate
involuntary movement
speech
Biology
1 answer:
enot [183]3 years ago
6 0

Answer:

In some cases of head injuries, the cerebrum may be affected. This type of injury could cause a loss of breathing regulation  reflexive movement  voluntary movement and impaired heart rate  involuntary movement  speech

Explanation:

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1) Gymnosperms (plants with the seeds are not enclosed in an ovary) have developed over the course of its evolution, structures that solved the main limitations present in the Pteridophytes in relation to sexual reproduction, in the terrestrial environment. The main changes that happened as an evolutionary adaptation to dry land are those on the seeds and pollen. The advantages of the seeds are: the storage tissue which sustains growth and a protective coat of the seeds. Seed is enveloped with the layers of hardened tissue which prevents desiccation. This is what frees reproduction from the need for a constant supply of water. <span>The sperm (male gamete) of gymnosperms</span> is enclosed in a pollen grain. Thi structure is protected from desiccation and can reach the female organs without dependence on water. Gymnosperms also developed structures called cupules to enclose and protect the ovule (the female gametophyte) which will develop into a seed upon fertilization.

 

2) Angiosperms are a group of plants which protect their seeds within an ovary called a fruit. Angiosperms have special evolutionary adaptations. For example, they produce their gametes in separate organs, usually in a flower, so the fertilization and embryo development takes place inside an anatomical structure. That provides a stable system of sexual reproduction largely sheltered from environmental fluctuations like water need.

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In chromatin, substitution mutations are most common in linker regions. Option d is the correct answer.

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Learn motre more about subsitution here:

brainly.com/question/29383142

#SPJ4

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