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tangare [24]
3 years ago
6

What is a ecosystem?​

Biology
2 answers:
romanna [79]3 years ago
3 0

Its is something that girl is my dream pet two

Explanation:

Nuetrik [128]3 years ago
3 0

Answer: A biological community of interacting organisms and their physical environment. Hope this helps! :) brainliest?

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What does each region of the kidney have in it?​
vlabodo [156]

Answer:

Outer cortex, Middle Medulla, and Renal Pelvis.

They all have a lot of Blood vessels(something they share in common).

Explanation:

The kidney is made up with three regions; the outer cortex, the middle medulla (with the renal pyramids) and the inner-most renal pelvis.

4 0
3 years ago
Impulses originating in the part of the brain called the medulla would most directly affect which body structure?
gtnhenbr [62]

The question is incomplete. The complete question is:

Question: Impulses originating in the part of the brain called the medulla would most directly affect which body structure?

a. A leg muscle

b. A ligament

c. An arm bone

d. The heart

Answer:

d. The heart

Explanation:

The medulla oblongata contains a number of reflex centers for regulating vital body functions such as heartbeat, breathing, and vasoconstriction. The medulla contains several nuclei, a collection of neuronal cell bodies.

For example, impulses originated in the cardiovascular center regulates the rate and force of the heartbeat and the diameter of blood vessels. Impulses from the cardiovascular center flow along sympathetic and parasympathetic neurons. An increase in sympathetic stimulation from the cardiovascular center of medulla increases heart rate and contractility while a decrease in sympathetic stimulation decreases heart rate and contractility.

5 0
3 years ago
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adell [148]

Answer:

The answer is A

Explanation:

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3 years ago
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What is dna? how do scientists isolate dna in order to study it? how does dna differ from person to person? how can tools of mol
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Deoxyribonucleic acid
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3 years ago
Halp meh pleaseeeeeee
ad-work [718]

Answer:

I think it's the third option

Explanation:

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