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vlabodo [156]
3 years ago
12

In the nitrogen cycle, nitrogen flows through

Biology
1 answer:
Anna11 [10]3 years ago
5 0

Answer:

N2 fixation and bacteria decomposition.

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Vlad1618 [11]

Answer:

okay gimmie like 5 mins I'll look at them then give u awnser

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2 years ago
Which of the following statements best reflects the scientific understanding of a zygote?
iren [92.7K]

Answer: The options are not given, here are the options.

A. A zygote is an unfertilized egg

B. A zygote is made up of one cell

c.A zygote is the fusion of two gametes

d.A zygote is where gametes are formed

The correct option is C.

zygote is the fusion of two gametes

Explanation:

A zygote is the fusion of to gamete because it is formed from the union of sperm cell and ovum or egg when the sperm and ovum fuse together after fertilization.

A zygote is start as a single cell but it eventually divides after undergoing fertilization after some days into smaller cells.

Therefore, after two weeks that the zygote divides, it become an embryo.

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3 years ago
Identify parts A and C.​
Aneli [31]

Answer:

A. Liver B. Stomach

Explanation:

Liver detoxifies chemicals and metabolize drugs, stomach mixes the food and grind it

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3 years ago
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How did Charles Darwin use the concept of density dependent factors in his Theory of Evolution
OLEGan [10]

Answer:

Density-dependent factors are defined as the biological factors which are utilized by the population as a resource for example- food and shelter. Charles Darwin uses the concept of density-dependent factors in his Theory of Evolution to show how it affects population growth and mortality.

Charles Darwin used factors like competition, predation, and parasitism in his Theory of Evolution. He explained that habitats are limited by space and resource availability, and only the fittest organism will survive the competition.

Predator-prey relationships create density-dependent limiting factors and balance the ecosystem with limited organisms. If predators will increase in an ecosystem it will decrease the population of prey and after a certain time there will be a shortage of food as they are limited resources.

8 0
3 years ago
Most _______________ are vertebrates that have a well-defined head and backbone, plus an internal skeleton made up of bone or ca
kipiarov [429]
The answer is Chordates

Chordates belong to the pylum Chordata of the Animal Kingdom.They have the following characteristics;
Lower vertebrates have a notochord which is a hollow nerve chord that is located dorsally of the animal while higher vertebrates have a vertebral column of bone and cartilage. They have a coelom which is a body cavity that differentiates higher vertebrates into organs and digestive tract.
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3 years ago
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