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jasenka [17]
3 years ago
7

How can a catastrophic global event influence evolutionary change? Group of answer choices Undesirable versions of genes are rem

oved. New genes are generated. Only some species may survive the event. There are short term effects that disappear over time.
Biology
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer:

Only some species may survive the event

Explanation:

Evolution is most likely to occur when catastrophic events alter community composition. Catastrophic global event can influence that only the hardiest, generalist species may survive. Specialists may be left without food and starve.

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Fill in the blank with the appropriate term. 1.The___________ is often considered to be the cell's control center. 2.The________
ValentinkaMS [17]
 1.The nucleus is often considered to be the cell's control center.
(because it contains the DNA)

2.The cytoplasm consists of everything inside the plasma membrane of the cell.
(actually it excludes the nucleus)

 3.The plasma membrane forms a boundary between the inside and outside of the cell. - it controls what can enter and what can't!


4.The cytoskeleton is essentially a "skeleton" inside the cell..
it maintains the form of the cell

5.The rough endoplasmic reticulum is covered with
Ribosomes -they make the proteins!


6.Lysosomes use enzymes to break down foreign matter and dead cells.

 7.plant cells cells specifically have a cell wall, a large central vacuole, and chloroplasts.-choloplasts are only found in plants!

3 0
3 years ago
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Help! <br> How many dolphins are usually in a pod??<br> 25 Pointss!
Andrew [12]

Answer: Most pods contain anywhere from 2 – 30 dolphins depending on the species and the situation, however there are occasions when pods gather with other pods to form superpods of 100 or even several thousand dolphins!

Explanation:

7 0
2 years ago
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Below is a list of a variety of biological components. Which components are types of nucleotides found in DNA and RNA?
miv72 [106K]

Answer:

The answer is III. Cyosine and IV. Guanine

Explanation:

Took the quiz on K12 and it was correct

8 0
2 years ago
Cells must be alive to use energy and do work dose passive transport occur in a cell that is dead? Why or why not?
Orlov [11]

Answer:

<h3>Yes, Passive transport can occur in dead cells.</h3>

Explanation:

For passive transport to occur, a concentration gradient has to be formed across a permeable or semi-permeable membrane. If the cell membrane of the dead cell, which is a semipermeable membrane, is intact and a concentration gradient has formed on both sides, passive transport can occur.

A concentration gradient is the difference in the concentration of solute molecules  across the membrane. Passive transport will allow solute molecules to travel from the higher concentration of the solute to the lower concentration across a membrane till equilibrium is reached, that is, both the sides of the membrane has equal concentration of the solute.

The transport of the solvent can occur as well, from higher concentration to lower concentration.  

6 0
3 years ago
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Sloan [31]

The answer is a. and b.

Diamond is pure carbon(C). Salt is pure sodium chloride (NaCl). Ocean water can contain a number of different elements mostly Water (H2O) and sodium (Na)

6 0
3 years ago
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