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OleMash [197]
3 years ago
13

Which of the following cannot undergo sexual reproduction?

Biology
2 answers:
babunello [35]3 years ago
7 0
The Answer is A Birds because birds use eggs not sex
Ronch [10]3 years ago
3 0
A because birds have eggs !0182828818181
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A student has several pet hermit crabs. He wants to determine how the hermit crabs choose which shell they inhabit. He thinks th
julsineya [31]
A. He should add shells that are different colors, but the same size and type, to the tank and observe which shells the hermit crabs choose.

Durning an experiment you need to keep everything the same but only change the certain things based on your theory.
Such as how the student wanted to see if the color attracted the crab. If he had changed the size and type of the shell then the crab would have chosen the bigger one as they tend to grow into larger shells.
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2 years ago
Whether the effect of a neurotransmitter is excitatory or inhibitory depends on.
Sunny_sXe [5.5K]

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on the receptor it binds to.

<h3>What is Neurotransmitter?</h3>

A neurotransmitter may be defined as the chemical substances present within the synaptic vesicles and transmitting the impulse through synapses.  

Examples of excitatory neurotransmitters are glutamate, norepinephrine, epinephrine, etc. Such neurotransmitters promote the electrical impulse and allow the passage of messages.

Examples of inhibitory neurotransmitters are serotonin, glycine, GABA, etc. Such neurotransmitters inhibit the passage of electrical impulses and block information.

Therefore, it is well described above.

To learn more about Neurotransmitters, refer to the link:

brainly.com/question/26387085

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6 0
2 years ago
The long bundle of neurons that carries messages to and from the body to the brain and is responsible for very fast, lifesaving
olga2289 [7]

The long bundle of neurons that carries messages to and from the body to the brain and is responsible for very fast, lifesaving reflexes is called the<u> spinal cord. </u>

<h3>What is the espinal cord?</h3>

There are two organs involved in the central nervous system that function as control centers,

  • The brain,
  • The spinal cord.

The spinal cord is a nerve tube placed in a hollow space left between vertebras along the vertebral column. The vertebrae's body protects the spinal cord.

It is made of nerves that take orders from the brain to the rest of the body and send messages from the body to the brain.  

Reflexes acts are produced in the medulla, and the brain is not involved.

The nervous cells of the medulla have fibers that extend from the medulla to the body and are connected to sensory receptors.

When receptors receive stimuli, they send information to the nerve fibers, which take it to the brain. From the brain, they send a response.

The answer is spinal cord.

You can learn ore about the spinal cord at

brainly.com/question/6957362

brainly.com/question/15707666

6 0
2 years ago
Which type of rock forms only from the solidification of magma?
bixtya [17]

Answer:

igneous rock

Explanation:

Look at the chart metamorphic rock melts turning into magma magma solidifies into IGNEOUS ROCK

3 0
3 years ago
Which of these pairings is correct?
Sholpan [36]

mitosis , a part of asexual reproduction because it produces diploids is the correct answer

3 0
3 years ago
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