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Debora [2.8K]
3 years ago
7

Why have so many bacteria now able to resist antibiotics

Biology
1 answer:
bekas [8.4K]3 years ago
5 0

Answer: Because they have built up immunity from past medications.

Explanation: As people get sick and are given antibiotics the 99.9 % are removed but that one percent from the bacteria is able to overcome the antibiotics and make itself stronger and immune to the medicines, then the bacteria evolves and a new person will get infected and will need stronger antibiotics further more the cycle is repeated.

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In which of the following situations is evolution by natural selection most likely to occur?
Varvara68 [4.7K]

Answer:

b.

Explanation:

Natural Selection refers to the survivability of organisms based on different traits or genes that they have which then get passed on to their offspring. Based on this information we can say that a population of mountain gorillas in which individuals with genes for long hair survive the cold better is the situation in which natural selection is most likely to occur. This is because longer hair in this scenario is a gene that drastically affects the chance of survival for the gorillas and will most likely be passed on to their offspring.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
3 years ago
How much force is needed to accelerate a 200 kg skier at 2 m/sec2?​
olganol [36]

Answer:

400 Newtons.

Explanation:

F=m*a

m = 200 kg

a = 2 m/s^2

F = 200 * 2

F = 400 N  

6 0
3 years ago
Read 2 more answers
The difference in the physical traits of an individual from those of other individuals in the group to which it belongs
12345 [234]
Belongs in variation 
6 0
4 years ago
_________8. Which of the following is probably evolved first?
Burka [1]

Answer:

I think D) Glycolysis

Explanation:

<em>Glycolysis</em> is the <em><u>first pathway</u></em> used in the breakdown of glucose to extract energy. It takes place in the cytoplasm of both prokaryotic and eukaryotic cells. It was probably one of the earliest metabolic pathways to evolve since it is used by nearly all of the organisms on earth.

4 0
3 years ago
What is the imaginary line dividing two watersheds called
Ksenya-84 [330]
The watershed divide
8 0
3 years ago
Read 2 more answers
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