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dlinn [17]
3 years ago
7

Study the image of a fossil below. How might a scientist use this fossil to learn more about the history of life on Earth?

Biology
1 answer:
geniusboy [140]3 years ago
5 0
The fossil shows evidence of how animals lived on Earth in the past and shows history about animals that may be extinct now or have evolved since then, which would show development in the animal in the fossil.
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Answer:

the 4rd one

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Which best describes how waste is secreted in each system
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The digestive system excretes a solid waste, and the excretory system excretes liquid waste.

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The digestive system is the system of the body that breaks down food substances to enhance so that they can absorb them. But it also excretes solid indigestible substances. For excreating, they use the defecation process.

Excretory system, on the other hand, is a system in the body that removes homeostatic wastes from the body by using a process which is called excretion. Excretory includes organs such as liver, sweat glands, lungs. Among this, the liver plays a critical role in the secretion of homeostatic wastes in the form of fluids.

The excretory system collects and then filters excess water which is present in the body and then excretes it as a liquid waste either from the liver, kidneys, or sweat glands on the skin through sweating.

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<h3><u>Answer;</u></h3>

D) it lacks a nuclear membrane and resides inside the nucleus

<h3><u>Explanation;</u></h3>
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  • <em><u>Nucleolus is made up of ribosomal RNA and proteins. The main function of the nucleolus is to assemble or formation of ribosomes. </u></em>Ribosomes are cell organelles that are found in the cytoplasm either attached on the endoplasmic reticulum or freely floating in the cytoplasm, where the process of protein synthesis takes place.
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