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kodGreya [7K]
3 years ago
9

Which of the following is an example of a biotic factor? (2 points)

Biology
2 answers:
lubasha [3.4K]3 years ago
5 0

Answer:

he amount of sunlight reaching a seagrass bed

Explanation:

Maksim231197 [3]3 years ago
5 0

Answer:

C) The shrimp population in a bay

Explanation:

I took the test

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At the end of meiosis I each cell has __________ the number of chromosomes as was in the original cell.
goldfiish [28.3K]
A. At the end of meiosis I each cell has twice the number of chromosomes as was in the original cell.
4 0
3 years ago
A new kind of tulip is produced that develops only purple or pink flowers. Assume that flower color is controlled by a single-ge
g100num [7]

Answer:

Explanation:

the purple allele (C) is dominant to the pink allele (c).

The frequency of C represents p while that of c represent q. Using the formula p+q= 1

The proportion of pink flower is 153/1000 = 0.153. This is also the frequency of the genotype cc (q^2).

Thud to find q which is the frequency of the c allele,

q = √0.153

q = 0.3912

From the formula p +q = 1 we can find p p = 1 - 0.3912

p which is the frequency of the C allele

p = 0.6088.

B. the proportion of all purple flowering plants that are heterozygotes and homozygotes is 847 / 1000 = 0.847

5 0
3 years ago
A sample of soil from a C horizon is light brown in color and has a high content of a mineral called feldspar. Which of the foll
vaieri [72.5K]

Answer: C. The C horizon is very deep.

Horizons are the layers of soil develops as a result of soil formation. Horizon lies parallel to the earth surface. Each horizon differs from the other on the basis of amount or organic matter present, color of the soil, texture of soil and other components making up horizon, and amount and type of minerals present in the soil.

C horizon is the horizon that lies deeper region of the collective soil horizon. It consist of unweathered or partially weathered rocks or their aggregates. Therefore, it retains the original chemical composition of the parent rock. This results in the higher mineral content as compared to other horizons. This horizon also lacks the organic matter as no or very little decomposition activity of plant and animal matter takes place. Therefore, color of soil in this horizon in the absence of organic matter remains light.

Hence, a sample of soil from a C horizon is light brown in color and has a high content of a mineral called feldspar is because of the fact that the C horizon is very deep.


8 0
3 years ago
Read 2 more answers
Why do you think a small surface area to volume ratio would cause a problem?
Scilla [17]

Answer:

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger.

5 0
3 years ago
Why can't prokaryotic species be defined as a group of similar organisms that could sexually reproduce together?
s344n2d4d5 [400]

Answer:

The prokaryote divides by asexual mode of reproduction.

Explanation:

The concept of species which defines a species as a group of individuals of a population which can interbred and produce a fertile progeny is applicable to the organism which can reproduce sexually.

Since the bacteria divide through asexual means and not through sexual ways therefore the concept of defining a species becomes complicated and does not apply.However the concept of species in prokaryotes is still a topic of research.  

Thus, the biological concept of species is not applicable to prokaryotes.

6 0
3 years ago
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