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Flura [38]
3 years ago
14

What density-dependent growth limiting factors kept the human population relatively low prior to the advent of agriculture?

Biology
1 answer:
4vir4ik [10]3 years ago
8 0

Answer:

Limited food supply and competition

Explanation:

Density dependent factors are those which in general lead to reduction of growth rate of population when the population density increases. One of such factor is availability of food and competition.

Whenever the density increased to an extent where the resources or available food becomes scarce or limited,then the growth rate of population decrease.  These factors generally lead to logistic growth pattern of population.  

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Explanation:

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Geologic Time Scale
Digiron [165]

Answer:

C. Paleozoic

Explanation:

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We can make this conclusion based on the fact that the period they existed in (from 521 to 250 million years ago) mostly fits the period described as Paleozoic (from 541 to 252 million years ago). However, we can see that they went extinct in the Mesozoic (250 million years ago is more than 252 million years ago). Compared to the entire time they existed, 2 million years is a relatively small amount of time, which makes Paleozoic the correct option.

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3 years ago
Why is the sarcoplasmic reticulum. How does it aid in the stimulation of muscle contraction?
Mandarinka [93]
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</span>Nervous stimulation causes a depolarization<span> of the muscle membrane (sarcolemma) </span>that<span> triggers </span>the discharge<span> of </span>calcium<span> ions from the sarcoplasmic reticulum.</span>
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Answer:

3

Explanation:

7 0
4 years ago
Which of the following was Matthew Maury's greatest accomplishment?
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b

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