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Rufina [12.5K]
2 years ago
10

What needs to happen in order for two populations to be isolated?

Biology
1 answer:
IgorLugansk [536]2 years ago
3 0

Answer:

Isolation means that organisms of the same species are separated, and happens when there is something between the organisms that they can't cross.

Explanation:

Organisms become isolated as a result of environmental change. The cause of isolation can be gradual, like when mountains or deserts form, or continents split apart.

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in a population of sexually reproducing bacteria how can we select for the resistant ones by only taking antibiotics for 2 days
VladimirAG [237]

We can select the resistant microbes that were survived on the second day of antibiotic application.

<h3>How can we select for the resistant ones?</h3>

We can select for the resistant ones by only taking antibiotics for 2 days instead of the full 10 days that the drugs were prescribed in order to see the microorganism that survived on the second day. Bacteria get resistance when they are exposed to similar type of chemicals for a long time. Some of bacteria mutate and make defenses against the chemical which leads to survival of that organism.

So we can conclude that We can select the resistant microbes that were survived on the second day of antibiotic application.

Learn more about antibiotics here: brainly.com/question/6970037

#SPJ1

5 0
1 year ago
You would predict that indoleacetic acid, a plant hormone, would have a(n):__________
marissa [1.9K]

You would predict that indoleacetic acid, a plant hormone, would have is a Auxin.

A chemical known as indoleacetic acid (IAA) is produced by plants and a few microorganisms (3, 4). IAA is important for both root and shoot growth in plants. By means of an efflux pump (PIN1-7) and a specified importer (AUX1), the hormone travels from one area of the plant to another (5, 6).

Auxin mainly help in complex mechanism of a plant , which lead many metabolic activities in plant .

What is Auxin ?

  • Auxin plays a crucial role in controlling plant growth and development by regulating embryonic development, root and stem tropisms, apical dominance, and the transition to blooming.
  • It is used to start off shoot growth in culture and encourages lateral and accidental shoot growth.
  • Aids in overcoming auxin-induced apical dominance.
  • Encourage the development of leaves' chloroplasts.
  • Encourages the mobilization of nutrients and delays leaf senescence.

To learn more about Auxin visit :

brainly.com/question/16939476

#SPJ4

5 0
1 year ago
Match the correct characteristic with each term
____ [38]
Ciliate- D
Spore- C
Alge - A
Protozoan- B

Hope this helps!

-Payshence xoxo
6 0
3 years ago
The antibiotic, penicillin, kills a certain type of disease-causing bacteria. Recently,
sineoko [7]
Antibiotic resistance.
7 0
2 years ago
Members of the Porifera phylum have
const2013 [10]
The answer is endoskeleton
7 0
3 years ago
Read 2 more answers
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