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LuckyWell [14K]
2 years ago
11

Which of the following is a true statement?

Biology
1 answer:
lesya692 [45]2 years ago
3 0

Answer:

All the statements are true and the correct option is;

D. All of these are true

Explanation:

Ecosystems change over time. ... Sudden disruptions such as volcanoes, floods, or fires can affect which species will thrive in an environment. Other disruptions are caused by human activities

An ecosystem ecosystem is an area where a community living (biotic) and non living (abiotic) things such as plants, animals, other organisms, landscape, natural sources and weather interact to create an apparently sustainable system

An ecosystem undergoes several changes over time due to environmental disturbance which results in the variation of the ecosystem's structure and change rate due to the natural disturbance and/or human activity

Therefore all the statements are true.

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Answer:

The Garden of Earthly Delights

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3 years ago
Identify at least two organic functional groups in a phospholipid molecule
alex41 [277]

Answer;

- phosphate group

- Ester functional group

- Alkene

- Alkane side chains.


Explanation;

Phospholipids are types of lipids that are major components of the cell membranes.

They consist both the hydrophillic (water loving) and hydrophobic (water hating) ends.

The major functional groups in a phospholipids are;

- the phosphate groups - PO4

- The Ester functional group- - COO-R

- Alkene side chain - -CH=CH-

- Alkane side chain - -CH-CH-

7 0
3 years ago
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yanalaym [24]

Answer:

The correct answer is option A, that is, proteins. RNA functions to transform the directions found in messenger RNA into the chain of amino acids, which forms the proteins. Thus, the ribosome is accountable for the production of proteins.

HOPE IT HELPS : D

Explanation:

4 0
3 years ago
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Which plant groups do male gametes depend on the water or moisture to swim towards the ovum
Firlakuza [10]
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3 0
3 years ago
Assume that the import of a particular amino acid across the plasma membrane is observed (1) to occur only down its concentratio
Studentka2010 [4]

Answer:

The correct answer is - facilitated diffusion.

Explanation:

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Facilitated diffusion depends on several factors such as the size of molecules, type of molecules, similarity of molecules to extracellular matrix or fluid that slow or fast the diffusion process.

Thus, the correct answer is - facilitated diffusion.

8 0
3 years ago
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