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lubasha [3.4K]
3 years ago
10

PLZ HELP i'll give brainliest to whoever answers best What are biogeochemical cycles?

Biology
2 answers:
Vsevolod [243]3 years ago
6 0

Answer:

A biogeochemical cycle is one of several natural cycles, in which conserved matter moves through the biotic and abiotic parts of an ecosystem

Explanation:

Yakvenalex [24]3 years ago
5 0

Answer:

In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic and abiotic compartments of Earth.

Explanation:

Hope this helps

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Why do cells separated from an embryo which undergoes autonomous specification continue to develop along predetermined pathways?
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Answer:

By the process of cellular differentiation which consists of physical and functional changes of the cell used by processes at the genetic level. The expression of these in each type of cell is different. That is to say that the type of cell follows at a time of development there is differential activation of some genes and repression of others

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The system that contains no organs or tissue of its own but instead consists of proteins and cells located in the blood is known
Alja [10]

Immune System is the system that consists of proteins and cells.

3 0
2 years ago
According to MacArthur and Wilson's hypothesis of island biogeography, species immigration and extinction rates on a particular
lozanna [386]

Answer:

The correct answer will be- Option-A

Explanation:

The Theory of Island Biogeography was proposed by the MacArthur and Wilson's in 1967 which proposed that the number of species-immigration and extinction rates are determined by the size of the island and distance of the island from the mainland.  

The suggestions made by them are:

1. The islands which remain farther from the mainland receive very few species as compared to the closest mainland.

2. Smaller island shows a high rate of species extinction as compared to the larger island.

Thus, option-A is the correct answer.

4 0
3 years ago
What is the relationship between gens , cromosomes, and DNA
Shkiper50 [21]

Answer:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

6 0
3 years ago
Will give brainliest to a clear explain answer.
mr Goodwill [35]

The right answer is internal thermoreceptors


The olfactory receptor adapts to the external environment in which we are, for example, when we put perfume on ourselves, we feel it at the beginning and then we do not smell it anymore.

External thermoreceptors such as those located in the hand adapt to the temperature to which it is in contact. When we put our hands on a cold object we just feel it at the beginning.

The good example to explain the non-adaptability of the internal thermoreceptors is when you have a fever, for several days you have this sensation of heat inside our body. It disappears only when the temperature drops

7 0
2 years ago
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