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VMariaS [17]
3 years ago
9

Please help quick!

Biology
1 answer:
-BARSIC- [3]3 years ago
4 0
Mosses carry out water in short distance. They need water so the spem can fertilize the antherida eggs

Hope this helps!

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The process of what adds a phosphate group to adp creating atp?
lara31 [8.8K]

Answer:

The conversion of ADP to ATP can be written as ADP + Pi + energy → ATP or, in English, adenosine diphosphate plus inorganic phosphate plus energy gives adenosine triphosphate.

7 0
3 years ago
Genetic drift tends to occur in populations that are what?
grandymaker [24]

Answer:

Very small/very large

Explanation:

4 0
3 years ago
Where is the nucleolus located in the cell? What molecule does the nucleolus produce and what is the function of this molecule?
ahrayia [7]
The <span>nucleolus is located inside the Nucleus. </span>
5 0
3 years ago
Where should the origin of the swim bladder be placed on the phylogenetic tree?
dolphi86 [110]

Answer:

At the base of Actinopterygii

*This is a unique characteristic of this group.

Explanation:

A peculiar characteristic organ observed in ray-finned fish (as well as in Sarcopterygii, or lobe-finned fish) but not in cartilaginous fish like shark is the swim bladder.

This organ is often described to be a sac containing gas. It helps these set of fish adjust its buoyancy and its position in the water by regulating the concentration of gas present in it.

The swim bladder is formed as a pouch coming off the embryonic digestive tract, and in chondrosteans and holosteans, with a set of teleosts e.g. the eels, it maintains an open pathway to the esophagus. In majority of the bony fish, the swim bladder is totally sealed off, as gas levels in their swim bladder are regulated by producing gas into the bladder via a network of capillaries, the rete mirabile (Latin word for "marvelous net").

The swim bladder is homologous to the lungs of tetrapods. Since they are formed in the same vein. Few fishes that have an open swim bladder employs it as a breathing organ.

6 0
3 years ago
Where does all of the energy needed by living things originally come from
o-na [289]

It is needed by all living things and every living cell to carry out life processes, such as breaking down and building up molecules, and transporting many molecules across cell membranes. The form of energy that living things need for these processes is chemical energy, and it comes from food.

4 0
3 years ago
Read 2 more answers
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