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My name is Ann [436]
2 years ago
10

Which of the following helps plant cells remain rigid? A. cell membrane B. nucleolus C. capsule D. central vacuole

Biology
1 answer:
Tamiku [17]2 years ago
6 0
The answer is D central vacuole
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Shifting biomes could have consequences for the regions in which the shifts occur. Read the two cases below and decide which con
Nata [24]

Answer:

increased risk of wildfires- both

local economy suffers- Case 1

carbon storage decreases - Case 2

agricultural production decreases - Case 1

carbon storage increases -  Case 1

disease vector range changes - Case 2

decreased water availability - Case 1

local economy thrives - Case 2

species range changes - Case 2

Explanation:

Fires are common to  taiga biomes. Owing to the fact that the biome in case 1 changed from an agricultural community to a grassland and subsequently to a desert, agricultural productivity will decrease, the local economy will suffer, water availability is decreased and local economy suffers as a consequence of desertification.

On the other hand, in case 2, the diseases vector range as well as species range changes due to the change in the species of foxes from Artic foxes to red foxes that carry rabies. Carbon storage decreases as the taiga biome acts as a carbon sink. The local economy thrives due to timber production.

Lastly, species range changes both in case 1 and case 2 since there is a loss of species. Species range is the area where a particular species can be found during its lifetime. Certainly, the range of area where species are found changed in cases 1 and 2.

8 0
3 years ago
Add to this diagram and explain why a cell needs to constantly break down ATP to make ATP
leonid [27]
Anything that the cell does require energy also known as ATP so the process of breaking down ATP uses ATP and vice versa
7 0
3 years ago
Which of the following is NOT a function of the skeletal system?
Elina [12.6K]

Answer:

communication is not the function of skeletal system

3 0
2 years ago
Read 2 more answers
Within a gymnosperm megasporangium, which of the following developmental sequences is correct, assuming fertilization occurs? Gr
yan [13]

Within a gymnosperm megasporangium, the following developmental sequences that are correct, assuming fertilization occurs is: megaspore, female gametophyte, egg cell, sporophyte embryo. The last Option (Option D) is correct.

In gymnosperm megasporangium, the meiotic division produces four haploid megaspores from a single cell, three of which generally degenerate. The female gametophyte is formed by mitosis from the surviving megaspore.

Prior to fertilization, the male mature gametophyte needs to be transferred to the female gametophyte for fertilization to take place.

When the nuclei of the sperm encounter the nucleus of the egg cell in gymnosperms, it fuses with the egg nucleus to produce a diploid zygote.

Mitosis occurs in the fertilized egg to initiate the growth of a new sporophyte generation (the multicellular embryo of the seed.)

Therefore, we can conclude that we've understood the mechanism of developmental sequence in the gymnosperm megasporangium.

Learn more about the gymnosperm here:

brainly.com/question/4526473?referrer=searchResults

3 0
2 years ago
Which best describes?
Ulleksa [173]

Answer:

I think it might be the last response, since it takes about what some say, 550 million years...

It might be wrong... But take it into consideration that it might be the right answer.

7 0
2 years ago
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