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enyata [817]
3 years ago
9

The major threat to biodiversity is _____.

Biology
2 answers:
elena-s [515]3 years ago
6 0
The answer is human activity. 
Aleks [24]3 years ago
4 0
The correct answer is pollution.
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Plsss helppp 40 extra points and brainleist
Semmy [17]

Answer:

The virus lacks strcutures to replicate genetic material.

Explanation:

They can replicate it, but don't have structures to do it without the help of a cell. They USE the cell to replicate it but cannot do it themself.

Virus lacks genetic matrial? It has DNA.

Protective outer shell? Ptotection has nothing to do with it.

Movement? They cannot duplicate without cells.

3 0
3 years ago
Which of the following would be part of an aquatic ecosystem?
puteri [66]
Plankton is part of an aquatic ecosystem
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Explain the differences in the three types of RNA by connecting it to a factory.
kykrilka [37]

{\huge{\sf{\green{\underline {\underline {Answer }}}}}}

  • Three major types of RNA are mRNA, or messenger RNA, that serve as temporary copies of the information found in DNA; rRNA, or ribosomal RNA, that serve as structural components of protein-making structures known as ribosomes; and finally, tRNA, or transfer RNA, that ferry amino acids to the ribosome to be assembled .

  • RNA carries genetic information from the nucleus to ribosomes for the synthesis of proteins; while tRNA carries specific amino acids to the ribosomes to assist the protein biosynthesis, and on the other hand, rRNA provides the structural framework for the formation of ribosomes.

HOPE IT HELPS YOU.....

8 0
3 years ago
Drag each tile to the correct box.
antoniya [11.8K]

Answer:

Pancreas secrets two hormones called insulin and glucagon which helps in maintaining the glucose level in the blood.

Explanation:

Pancreas secrets a hormone called as insulin, which helps the cell in absorbing the glucose by reducing the blood sugar and providing glucose for energy. On falling of the sugar level pancreas releases a hormone called glucagon. This glucagon informs the pancreas about the presence of low sugar in blood, after which it releases the stored glucose, and helps in raising the blood sugar level. Alpha cell of pancreas produces glucagon.

5 0
3 years ago
- A scientist is determining the age of a rock by comparing their position to other rock layers. By doing this, the scientist is
prohojiy [21]
The answer is b, for he is comparing the two rocks to find an age relative to the other
8 0
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