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3 years ago

How are biotic factors in the marine ecosystem responsible for bringing carbon-dioxide into the ocean?

Biology

1 answer:

Wewaii [24]3 years ago

7 0

Answer:

Marine ecosystem have biotic organisms like phytoplankton and photosynthetic algae that do photosynthesis and converts the atmospheric carbon dioxide into organic matter most of the carbon dioxide is released when other organisms eat phytoplankton and release the carbon dioxide through respiration.

But some of the algae and phytoplanktons die naturally get down to the bottom of the ocean where they make carbon sink. Some organisms accumulate CO₂ in their exoskeleton that is made up of calcium carbonate.

Therefore this use of carbon by living organisms in oceans brings carbon dioxide from the atmosphere to oceans. This is why the ocean plays a critical role in the carbon cycle and called carbon sink.

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Muscle contraction is an example of which of the following types of work? Group of answer choices electrical concentration heat

Citrus2011 [14]

Answer:

Muscle contraction is an example of mechanical contraction.

Explanation:

Muscular contraction is the activation of generating tension which appear in the muscle fiber as it does't change the length of muscle and is followed by muscular relaxation.

Muscle contraction is based on force and length.

The process of skeletal muscle contraction is an energy requiring process.

In order to perform mechanical work,actin and myosin utilizes the chemical energy into ATP that ultimately require during muscle contraction and relaxation.

In a working muscle,glucose is released from glycogen that are stored in the muscle by the process of glycolysis in which glucose broken down into ATP that is required by cells and tissues.

3 0

3 years ago

As a

AURORKA [14]

Answer:

H. Haploid

Explanation:

A cell that contains two of each chromosome, or 2n, is a diploid. If a cell has half of those chromosomes, or just n, it is a haploid.

7 0

3 years ago

The table shows the crossing-over frequencies for three genes in the fruit fly Drosophila. The greater the frequency, the more l

Scrat [10]

Answer: a. B,A,C

b. C,A,B

Explanation: trust me

8 0

3 years ago

Low pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritone voice. This is an example of ____

Lemur [1.5K]

Answer: incomplete dominance

Explanation:

Incomplete dominance is also referred to as partial dominance or semi dominance. It occurs when the two forms of gene in a trait combine in such a way that one does not have a dominance over the other one. Therefore, there's a blend of both genes in the physical appearance of such organism.

Therefore, a low pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritone voice is an example of incomplete dominance.

3 0

3 years ago

What does the fact that all organisms use essentially the same genetic code suggest about the origin of life?

elena55 [62]

Answer:

Well this proves that all living things may be related.

Explanation:

For example, when our ancestors had kids, their kids had their DNA, when those kids had kids, they had some DNA from their grandparents and their parents. DNA is shared by reproduction.

7 0

3 years ago