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Fed [463]
4 years ago
15

Why is a specimen smaller than 200 nm not visible with a light microscope?

Biology
1 answer:
allsm [11]4 years ago
4 0

Answer:

c. anything smaller than 200nm cannot interact with visible light

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Several ecology students were tracking the population ranges of two species of squirrels that live in the Cascade Range of Orego
mojhsa [17]

Answer:

The correct answer is competitive exclusion.

Explanation:

According to the principle of competitive exclusion, the two species, which compete for the exact identical resources cannot coexist stably. Of these two competitors, one will always exhibit a slight advantage over the other, which results in the extinction of the second competitor in the prolonged time.  

It can also result in an evolutionary shift of the inferior competitor towards a distinct ecological niche. As an outcome, the competing associated species usually evolve differentiating features in the regions where they both coexist. This helps in mate identification, thus, sustaining the superiority of each species in exploiting somewhat distinct ecological niches.  

3 0
3 years ago
Both mitosis and meiosis begin with a parent cell that is diploid. Which of the following best describes how mitosis and meiosis
ANEK [815]

Answer:

meiosis you will have four haploid cells (half the number of chromosomes is a diploid cell) and after mitosis you will have two diploid cells

Explanation:

Mitosis you begin with a parent cell that is haploid, it copies all it's chromosomes and splits so each daughter cell have the same number of chromosomes as the parent cell so both being diploid

In meiosis the chromosomes fold over DNA and are put in pairs, in the first division the pairs are split up evenly into two cells randomly (diploid still) but the the cells split the chromosomes in half in them creating four grneticly different haploid cells

7 0
3 years ago
Hy is the pressure in the matrix high?
SSSSS [86.1K]

The pressure in the matrix high due to the abundance of water molecules present in the region.

<h3>What is a Matrix?</h3>

These are referred to non living substances or tissues which occupy the vacant region of cells.

They have enough water molecules which exerts a great amount of pressure thereby making it high.

Read more about Matrix here brainly.com/question/13050860

#SPJ1

6 0
3 years ago
Which of the following is an example of population growth? Group of answer choices the average weight of Americans has increased
KatRina [158]

Answer:

the number of people in a town has increased by 25% in the past 5 years.

Explanation:

Hope it helps.

8 0
3 years ago
In a certain ecosystem, the number of cheetahs is lower as compared to their prey, gazelles. If the cheetahs disappeared from th
Neporo4naja [7]
The answer is Keystone. Keystone is a species in which others species in the ecosystem largely depend on, if the species was removed the ecosystem would change drastically.
8 0
4 years ago
Read 2 more answers
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