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LiRa [457]
3 years ago
6

What is the most significant difference between freshwater aquatic ecosystems and marine ecosystems?​

Biology
2 answers:
satela [25.4K]3 years ago
8 0

An aquatic ecosystem derives its identity from the interaction between its watery environment and the living organisms that inhabit it. The two types of aquatic ecosystems are freshwater and marine, and the main difference is the salinity concentration.
blondinia [14]3 years ago
6 0

Answer:

main difference between freshwater and marine life is the habitat they come from in the wild. Freshwater fish live in streams, rivers and lakes that have salinity of less than 0.05 percent. Depending on the species, fish can survive in temperatures ranging from 5 and 24 degrees Celsius

Explanation:

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PLEASE HELP WILL GIVE BRAINLIEST!!!!
Zina [86]

Answer:

No, because in mammals the male transfers his genes by fertilizing the female directly. In plants, there even could be, the plant fertilizing itself, but the pollen is transferred differently than the mammal.

8 0
2 years ago
What adaptation do seed plants have in addition to the seed that is not found in seedless plants?
tatiyna

Answer:

The correct answer will be option-pollen.

Explanation:

The pollen are the male gametophyte which is produced in the seed plants.

The pollen produce male gametes after entering the female gametophyte. The male gametes fuse with the egg cell and form the embryo inside ovary which matures and forms seeds.  The vascular seed plants lack these pollen but instead produces male gametes in gametangia which are replaced by the pollen in the seed plants.

Thus, option-pollen is the correct answer.

8 0
3 years ago
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balu736 [363]

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6 0
3 years ago
What are the two main functions of mitosis?
Nikolay [14]

Mitosis helps in the growth by means of hyperplasia. It also helps in reproduction in single celled organisms.

Neuron and Red Blood Cells doesn't undergo cell division once formed.

Osteoblasts help in forming new bones and joining old ones after there's a fracture in bone.

<h3><u>Explanation:</u></h3>

Mitosis is the process by which a cell divides into two daughter cells. It helps in growth of multicellular organisms as well as reproduction in single celled organisms.

The Red blood cells are formed from the bone marrow megakaryocytes and never undergo mitosis. Same are the neurons which are formed from stem cells and never undergo cell division.

The osteoblasts come into action as the bone breaks. They diposit new calcium compounds between the broken part of bones. This leads to irregular growth of bones between them which is then remoulded and brought back to shape by osteoclasts and osteocytes.

4 0
3 years ago
With what does the synthesis of a new strand of dna begin with
andrew11 [14]
Following the initiation of DNA replication, the first step is the synthesis of <span>a short RNA primer.</span>
8 0
3 years ago
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