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Aleonysh [2.5K]
3 years ago
6

QUESTION 1

Biology
1 answer:
Brrunno [24]3 years ago
6 0

Question 1 is true

Question 2 is true

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If a species makes up a small portion of the community by weight, yet exerts a disproportionate influence on community diversity
Marrrta [24]

Answer:

The correct answer will be- Keystone species

Explanation:

The structure of a community is largely determined by the number of species present in the community called species richness and the species diversity.

The species which can play an important role in determining the community could be of two types the foundation species and keystone species.

The species which directly influence the diversity of a community irrespective of their number and abundance is known as the keystone species.

In the given question since the question has discussed the species which disproportionately influence the diversity of the community is known as keystone species.

Thus, keystone species is the correct answer.

8 0
3 years ago
Crossing-over can happen during which stage?
Andrew [12]
It occurs between prophase one and metaphase one

I hope this helps!
4 0
3 years ago
Is Mycobacterium plei gram positive or gram negative or not either or?
Karo-lina-s [1.5K]

Answer:

The correct answer is they show weak positive gram staining reaction.

Explanation:

<em>Mycobacterium phlei </em>is a rod-shaped species of the genus Mycobacterium. They are acid-fast bacteria with mycolic acids rich cell wall due to which gram stain cannot penetrate easily and show light purple color while staining.

When gram staining is performed on the <em>M.phlei </em>, they take light purple color which indicates that it is a gram-positive bacteria and is related to Actinobacteria phylum of the gram-positive bacteria.

Thus, <em>M. phlei</em> is a gram-positive bacteria.

4 0
3 years ago
You have your .5 M sucrose solution. You need 1 L of a 50 mM solution. how much of the .5 M stock solution would you combine wit
Triss [41]

Answer: 100mL sucrose solution and 900mL water

Explanation: sucrose solution is 500 mM, i.e. 500mmol/L

water is 0mmol/L

To get 50mmol/L we need 1/10 L of sucrose solution = 100mL

and made up to 1L with water

5 0
3 years ago
How are groundwater supplies initially impacted during a drought
frozen [14]

Answer:

A

Explanation:

At the start of a drought, groundwater may not be noticeably lower (not B). Only aquifers near the ocean may become contaminated with salt water (not C). And it is definitely not D.

6 0
2 years ago
Read 2 more answers
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