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8_murik_8 [283]
3 years ago
14

Plz help help help help

Biology
1 answer:
lidiya [134]3 years ago
7 0

Answer:

mountains and rivers because a geographical barrier can be a mountains range, a large canyon, a body of water

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The spinal cord is part of which nervous system? Question 3 options: 1) sympathetic 2) autonomic 3) parasympathetic 4) central 5
igomit [66]

Answer;

-Central nervous system

Explanation;

-The nervous system consists of two main parts: the central nervous system and the peripheral nervous system: The central nervous system is made up of the brain and spinal cord.

-The central nervous system controls most functions of the body and mind.It controls all parts of the body. It receives and interprets messages from all parts of the body and sends out instructions. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.

-The spinal cord serves as a conduit for signals between the brain and the rest of the body and also controls simple musculoskeletal reflexes without input from the brain.

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3 years ago
Biologists have classified broader groups of life forms into super kingdoms that are known as what
andreev551 [17]
Biologists call those groups DOMAINS
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Molecular phylogenies show all land plants are a monophyletic group. This suggests ________.
guapka [62]

Answer:

D.  There was a single transition from aquatic to terrestrial habitats

Explanation:

Based on the molecular differences at the level of DNA sequence and inheritance, the molecular phylogenies show that all land plants are a monophyletic group. This is why it suggests a single transition from aquatic to terrestrial habitats occur.

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Which layer of the heart is made of muscle tissue and pumps the blood through the system?
marshall27 [118]
The myocardium layer

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A. statements about sex-limited traits are true?
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