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boyakko [2]
3 years ago
9

How can fossils help us understand the Earth's history?

Biology
1 answer:
qaws [65]3 years ago
5 0

Answer: By studying fossils, we can tell how long someone has been on the earth for.

Explanation: We can easily learn where they lived, how they lived, and their past.

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The rhynchocoel is a ________.
Anastasy [175]

Answer:

fluid-filled cavity

Explanation:

Rhynchocoel is a fluid-filled tubular cavity present in the organisms of the phylum Nemertea. This cavity lies above the intestines of these organisms in the lower body.

Nemertea is a phylum composed of worms that can be found in shallow water.

These worms have already been classified as a branch of the Flatworms (such as Planarians), with which they are often confused. But recent embryological and molecular evidence points to a phylogenetic relationship with mollusks and annelids. They remind the Flatworms to be non-segmented flat worms. But unlike these, they have a complete bowel with mouth and anus, and a closed vascular system. The article on Planarians can be accessed here.

5 0
3 years ago
When disaccharide a is hydrolyzed which monosaccharide units are produced?
lina2011 [118]

Monosaccharides and disaccharides also called sugars. Have sweet taste, water-soluble. Disaccharide output of two monosaccharides are the same or different when hydrolyzed.  Monosaccharide a carbohydrate that can’t be hydrolyzed to simpler carbohydrate units.  Polysaccharides are extended polymers of monosaccharide units joined by O-glycosidic linkages. Energy storage. 

6 0
3 years ago
Read 2 more answers
Give one difference between the structure of the bacteria cell and animal cell
Verizon [17]
Hello!
You can choose the difference! 

Bacterial cell is 0.2 to 2 um in size, while an animal cell is 10-100 um in size
Bacterial cells are made up of murein, while animal cells don't have a cell wall
Bacterial cells dont posses a nucleus, while animal cells do posses one.

There are more differences, but these are the biggest.
<span>Hope this helped you!</span>
4 0
3 years ago
Read 2 more answers
What is the most distinguishing characteristic of muscle tissue? what is the most distinguishing characteristic of muscle tissue
xxTIMURxx [149]
The correct answer is: 'the ability to transform chemical energy into mechanical energy'. The oxidation of fats and carbohydrates through chemical reactions produce adenosine triphosphate (ATP) molecules. These ATP molecules power m<span>uscles, thereby converting chemical energy to mechanical energy.</span>
5 0
3 years ago
What happens when a neurotransmitter receptor site becomes flooded?
Elodia [21]

Answer:

a neurotransmitter binds to its receptor on a receiving cell

Explanation:

4 0
3 years ago
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