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3 years ago

Compare the advantages and disadvantages of large and small nature reserves

2 answers:

7 0

The advantage of small and large reserves is that it only requires small labor and it can also serve a city and a town. The only disadvantage of the small and large reserves is that it is quite expensive despite of its usefulness.

Gnom [1K]3 years ago

5 0

The advantage of small and large reserves is that it only

requires small labor and it can also serve a city and a town. The only disadvantage

of the small and large reserves is that it is quite expensive despite of its

usefulness.

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Mrs. Rushing has 3 chemistry classes with 24 students in each. An experiment calls for each student to use 4 test tubes.

Juli2301 [7.4K]

3*24 for each class, * 4 for each student= 288

6 0

3 years ago

Read 2 more answers

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.

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3 years ago

Which is the best example of organisms that have been naturally selected?

KengaRu [80]

<span>Natural selection is when species learn to adapt to their environment. They could (1) differential reproduction, that is, not all organisms are able to reproduce to their fullest capacity because nature cannot simply sustain it and (2) acquire genes, that is heredity. Certain characteristics of organisms tend to survive if it continues to strive. If it survives, this trait is passed down to the next generations forgetting the other traits but only the one who could survive the environment. Therefore it is true that <span>natural selection is when ‘organisms inherit advantageous traits, and tend to reproduce more successfully than other organisms’. One best example is the extinction of other animals and some with the same species retains.</span></span>

6 0

3 years ago

Read 2 more answers

How Do Sugar Molecules Cross the Cell Membrane?

Shalnov [3]

Answer:

The correct answer is - through facilitated diffusion and active transport.

Explanation:

Glucose is a six-carbon sugar molecule that is directly utilized by cells to provide energy. A glucose molecule is large enough to go through a cell membrane with simple diffusion.

Cells help glucose molecules to cross the cell membrane through facilitated diffusion and active transport. Active transport is of two types primary and secondary active transport to help the glucose molecule to cross the membrane.

Thus, the correct answer is - through facilitated diffusion and active transport.

8 0

3 years ago

Biologists often determine population density by capturing animals and marking them for later identification upon recapture. A b

olga nikolaevna [1]

Answer:

I think the answer is A

Explanation:

Since the question states that they want to determine the population of the desert mice. You get the direct answer from just using context clues. Since population means one species in a certain area, it means that this method will work if the mice stay in the same area.

7 0

3 years ago