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NeX [460]
4 years ago
11

The nitrogen cycle could not exist without what?

Biology
1 answer:
Elden [556K]4 years ago
8 0
Nitrogen fixation would not occur and that would mean that there would be a lack of nitrogen and it wouldn't be able to sustain life. Since nitrogen is an essential element in every amino acid, that also means in every protein. It essential to life and without it life would mostly likely not exist.<span />
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If bird song promotes an individual's ability to attract a mate and reproduce, then the song has a(n) _____ function. assumptive
Contact [7]

Answer:

If bird song promotes an individual's ability to attract a mate and reproduce, then the song has an <u>     function</u>

<u />

Explanation:

Within a community, certain novel traits are fixed because they impart beneficial adaptations on an individual in their ecosystem (like mate attraction). Such modifications enable such individuals to live longer than their peers, and breed over time to produce more offspring who also exhibit these traits.

Natural selection takes place and is determined by the fitness of an individual , it contributes to evolutionary change as individuals with certain traits reproduce, the traits become fixed and prevalent within the population.

5 0
4 years ago
You cross two red griffins with blue eyes and produce offspring that are: red with blue eyes, red with green eyes, white with bl
sergejj [24]

Answer:

The reason for the offspring to present these genotypes is that during the formation of the gametes, the alleles separate and are inherited independently, therefore they can generate several different phenotypic combinations.

Explanation:

In order for an offspring to present very different phenotypes, as shown in the question above, it is necessary that the two red griffins with blue eyes that were crossed are heterozygous. Thus it will be possible for the offspring to present a wide variety of phenotype, according to Mendel's second law.

Mendel's second law is called the Law of segregation. This law explains that the alleles (which determine the characteristics of individuals) are separated in the formation of gametes and inherited by the offspring of a cross independently, and can generate different combinations of phenotypes, when the parents of a cross are heterozygous.

8 0
3 years ago
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sertanlavr [38]

Answer:

From smallest to largest:

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4 0
3 years ago
This animal represents what kind of body symmetry?:
fomenos
What is this animal and i can answer it
4 0
3 years ago
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Every year a rice farmer collects his crops and burns the soil when he is done once the soil is enriched with debris he replants
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There will grow wild plants and shrubs which will contaminate the rice field.


5 0
3 years ago
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