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sp2606 [1]
3 years ago
13

Which structure allows plant cells to make thier own food?

Biology
1 answer:
maw [93]3 years ago
6 0
There are many structures responsible as...
a) chloroplast b) mitochondria etc

but the main part is chloroplast !!!
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Which of the following is not true concerning the layers of the Earth?
MariettaO [177]
(C.) The layers of the Earth are uniform in thickness

This is untrue. The mantle is far large than the crust and there are other large size differences.
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2 years ago
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NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

5 0
2 years ago
Control of glands and the muscles of internal organs is a function of the __ nervous system
kkurt [141]

Answer:

D.

autonomic

Explanation:

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3 years ago
Which of the following structures are present in plant cells but absent in animal cells ?
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Plant cells have a large central vacuole, a cell wall, and chloroplasts while animal cells do not.

Hope this helps!

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2 years ago
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