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il63 [147K]
3 years ago
6

Most dissolved carbon in the ocean is used to form which structure in marine organisms?

Biology
2 answers:
Ber [7]3 years ago
6 0
<span>counteracted acidification</span>
777dan777 [17]3 years ago
6 0

Answer:

The skeletons of coral polyps

Explanation:

A coral is a colony of many individual animals called polyps, originating from the replication of an initial polyp. The coral reef is made up of “zillions” of coral colonies and other limestone-depositing organisms, growing amidst the skeletons of their predecessors and the sand and sediment derived from them. Most of the dissolved carbon in the ocean is used to form the skeletons of coral polyps.

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Masja [62]

Answer:

C. Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.

Explanation:

Natural selection is an evolutional process by which species of living organisms with stronger or more beneficial traits have higher chances of survival and reproduction. In other words, it is the process by which organisms adapt and survive.

Organisms in a population are all different in their own ways. And those with characteristics or traits better suited for the environment are more likely to survive than those without. The selection prefers more beneficial traits and not wholly on the superiority of the organism. So, the survival and reproduction chance of an organism depends on the presence of traits beneficial to the environment, which is how nature selects. And in this process, those selected will dominate the population while those rejected will be reduced or even die.

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2 years ago
(b) Identify the dependent variable in the experiments. Identify a control group missing from the second experiment. Justify the
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Hello. You have not submitted the experiments to which this question refers, which makes it impossible for it to be answered. However, I will try to help you in the best possible way.

A dependent variable is one that is influenced by an element, in order to present a result, that is, it is a variable that does not establish itself, being dependent on another variable to establish itself. An example of a dependent variable can be seen in an experiment that seeks to determine the differences in growth rates of bean plants that were fertilized with different organic fertilizers. As you can see, this is an experiment where the different organic fertilizers influence differences in the growth rate of bean plants. Thus, the growth of these plants depends on the fertilizer, this growth being the variable dependent on the experiment.

A control group, in turn, is an element of the experiment that does not receive the element that is being tested in the same experiment. The control group is important, because it allows the researcher to see the results of a system where the tested element does not exist, thus being able to determine the real differences that the tested element is capable of causing. Using the same example presented in the paragraph above, we can see that the different organic fertilizers are the elements tested in the experiment. These fertilizers will be applied to the plants, however it is important that at least one of these plants does not receive any fertilizer, so that the difference between a system with fertilizer and a system without fertilizer can be evaluated. This plant that received no fertilizer is the control group.

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Where is dna found in prokaryotic cells
yawa3891 [41]
Hi!

The answer is nucleoid .

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