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Monica [59]
3 years ago
6

What do sand dollars use for their locomotion

Biology
1 answer:
AfilCa [17]3 years ago
4 0
They use their spines with tiny hairs on them to move and push food towards their mouths.
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In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of the nucleotide being added and which
Morgarella [4.7K]

Answer:

3' OH ( hydroxyl group).

Explanation:

DNA is present as the genetic material in almost all the living organisms except in case of some viruses only. DNA is made of the polymers of the nucleotides.

The phosphodiester bond is present between the two nucleotide chains. The phosphodiester is a covalent bond formed in which the phosphate group of nucleotide is involved with the hydroxyl group of the sugar and a small molecule like water is removed during the process.

Thus, the correct answer is  3' OH ( hydroxyl group).

4 0
3 years ago
Which of the following would not be included in a description of an organism's niche? a. its trophic level b. its color c. the h
IRISSAK [1]

Answer:

C

Explanation:

This is because niche talks about tje role of an organism.

Considering the humidity of the organism is not given a role to the organism.

7 0
3 years ago
How will the summer drought influence the model we see here?
Flura [38]
<h2>The Summer Drought Influence</h2>

The summer drought will influence the model badly because the water is used to make food. Water is the basic need of our life. It is used in everything in our lives like electricity production, washing dishes, and many other activities in daily life. We don’t have enough water means drought and this effect disturbs many people in many activities within various nations.

6 0
2 years ago
An antelope is being chased across the savannah by a hungry lion. The lion runs at a constant speed. How might the antelope use
meriva
It can big increase speed and change direction
5 0
3 years ago
Some cells contain two copies of each chromosome, and some cells contain only one copy of each chromosome. Which types of cells
jek_recluse [69]
I think it is skin cells and blood cells because sperm and egg cells are haploid, so they only have one copy. I’m honestly not 100% sure tho
4 0
2 years ago
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