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Blizzard [7]
3 years ago
9

What was Charles Darwin’s contribution to the theory of evolution?

Biology
2 answers:
ad-work [718]3 years ago
8 0
His studies and his book the 'origin of species'?

unless this is for penn foster then what are you options?
77julia77 [94]3 years ago
3 0

Answer: Charles Darwin introduced the idea that organisms better adapted to their environment would tend to survive, reproduce, and increase in number.

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A mixture that cannot be separated by a semipermeable membrane
saul85 [17]

Transparent solute cannot be separated from solvent by filtration or by  passing through semipermeable membrane.

<h3>Can suspensions be separated by semipermeable membrane?</h3>

Suspensions are heterogeneous that are various from solutions or colloids.

The particles of a suspension are so large that they can often be seen with the eye. They are trapped by filters and semipermeable membranes.

Thus, Transparent solute cannot be separated from solvent by filtration.

To learn more about semipermeable membrane click here;

brainly.com/question/3446165

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4 0
2 years ago
Scientists observed that the populations of top-level consumers in a particular ecosystem were rapidly decreasing. Further studi
yanalaym [24]

Answer:

The correct answer is - decreased population size at all levels.

Explanation:

A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers.

It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.

5 0
3 years ago
Which of the following is not a physiological characteristic of wheat1?
kompoz [17]

Answer:

<em><u>It is a C4 plant 100% sur</u></em>e

hope i helped

-lvr

3 0
3 years ago
The availability of glucose energy necessary for memory consolidation is most likely to be enhanced by
Ugo [173]
The availability of glucose energy necessary for memory consolidation is most likely to be enhanced by stress hormones.
These hormones, as well as growth hormones, sex hormones, and glucagon, have such an influence on liver that glucose gets secreted into the bloodstream. Glucose is important for many things in our body, and memory consolidation is one of them.
6 0
3 years ago
What types of organisms typically make the bass middle and top of the food chain
Aleksandr-060686 [28]

Answer:

In the food chain, producer makes the base, primary and secondary consumers are present in the middle and tertiary consumers is present on the top.

Explanation:

Producers are the organisms which makes their own food such as plants. They are placed at the base due to high population. Primary and secondary consumers are placed in the middle due to less population than producer and tertiary consumers are placed on the top due to very low population.

8 0
3 years ago
Read 2 more answers
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