___________ is a structure that contains spores and is located on the underside of fern leaves.Basidium
Bacillus
Cilium
Sorus

Answers

Answer 1
Answer: The answer is "Sorus"
So it is D because 
Sorus is a structure that contains spores and is located on the underside of fern leaves.
Answer 2
Answer:

Answer:

located on the lower surface of fern leaves. they’re essential for reproduction


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A forest ecosystem can support a limited number of bears. This is because A)
bears hibernate during the winter.



B)
the base of the food chain is seasonal.



C)
available energy is lost from one trophic level to the next.



D)
light that supports photosynthesis is limited during certain times of the year.

Answers

A forest ecosystem can support a limited number of bears. This is because available energy is lost from one trophic level to the next. (flies, trout, then bears)

Answer:

The correct answer would be C)  available energy is lost from one trophic level to the next.  

It is the universal law that the energy is lost when transferred from one trophic level to the next.

It is because most of the energy present at any trophic level is used by the organisms for their biological processes such as locomotion, reproduction et cetera. Due to this, most of the energy is lost as heat in the surrounding environment.

In the given food chain, the bears are present at the highest trophic level and thus they would get minimum energy.  

Thus, the ecosystem can provide only a limited amount of energy to the bears due to which the ecosystem can support a limited number of bears.

Which gas is a source of natural groundwater pollution

im thinking its carbon

Answers

Radon gas is a radioactive product of he decay of naturally occurring uranium in the earths crust

Carbon is also naturally polluting

And natural gas and propane also pollute

What is the powerhouse of the cell

Answers

Answer:

Mitochondria

Explanation:

the power house is the Mitochondria

If a pea plant's genotype is Tt, what is its phenotype

Answers


It depends on the representation of Tt.  Does this represent height?  If so, it's phenotype would be tall, because Tt is still dominant

Its phenotype would be tall.

Bacterial blank are sites of metabolite storage?

Answers

Answer:

Bacterial inclusions are sites of metabolite storage.

Explanation:

Bacteria is a prokaryote which means that it lacks membrane bound structures.

Bacterial inclusions can be described as structures present in the bacterial cell which function as metabolic reserves or metabolic organelles. They are also called as elementary bodies. The bacterial inclusions are usually cytoplasmic aggregates of the bacterial cytoplasm. These inclusions are known for forming compartments in the bacterial cell. However, various inclusions can also be seen in the eukaryotic cells.

What is the difference between a cotyledon and the true leaves of flowering plants?

Answers

The real difference between a cotyledon and the true leaves of flowering plants is the fact that a cotyledon is a kind of seed that is being produced by all plants for reproduction while the true leaves of flowering plants are parts of photosynthesis.