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kkurt [141]
3 years ago
6

Extinctions that occur at a moderate rate and continuously open a limited number of opportunities for the origin of new species

and new niches are known as __________ extinctions
Biology
1 answer:
daser333 [38]3 years ago
7 0

Extinctions that occur at a moderate rate and open a limited number of opportunities for the origin of new species are known as background extinctions.

<h3>What are background extinctions?</h3>

Extinction is the physical disappearance of one given species and/or population in an ecosystem.

The term 'background extinctions' makes reference to the extinction that does not generate new niches in an ecosystem.

Background extinctions are well known because they do not contribute to the emergence of biodiversity.

Learn more about background extinctions here:

brainly.com/question/11872946

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DNA is measured in:<br><br> please help
yan [13]

DNA is measured in Angstroms.

<h3 /><h3>What is DNA?</h3>

DNA is defined as a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is also known as  the carrier of genetic information.

DNA represents deoxylribonucleic acid.

Units of DNA are known to be measured in Angstroms.

Value of 1 angstroms is 0.1 nanometer

For a thousand angstroms is 100 nanometer.

Therefore, DNA is measured in Angstroms.

Learn more about DNA here:

brainly.com/question/10840685

#SPJ1

6 0
2 years ago
If we know how many thymine bases there are in a piece of DNA, we can calculate the number of the following bases:
irinina [24]

Answer:

in dna the T and A always go together so the answer is ademine

5 0
3 years ago
Blood is leaving the genitals, the erection subsides, muscles relax, and breathing and heart rate return to normal. Which stage
Helga [31]

Answer:

Resolution

Explanation:

There are four stages of sexual response cycle :

<u>1) Excitement (Desire)</u> : Beginning of sexual arousal , preparation of intercourse.

<u>2) Plateau (Arousal)</u> : Physical arousal builds

<u>3) Orgasm</u> : Males ejaculate while females experience vaginal contractions

<u>4) Resolution</u>: It is the stage of sexual response cycle in which

  • Arousal slowly subsides and returns to normal levels
  • Males experiece a refractory period during which they are incapable of having another erection of orgasm
  • Blood is leaving the genitals, the erection subsides, muscles relax, and breathing and heart rate return to normal

Hence the stage mentioned in the scenario is the resolution stage of sexual response cycle.

4 0
4 years ago
Which of these is a cost of fossil fuels?
aev [14]
(A) False, fossil fuel is one of the biggest nonrenwable resources that we use daily.

(B) True because fossil fuel can emmit toxics and damage the environment when oil spills.

(C) False, fossil fuel increases effects of global warming.

(D) False, they add many pollutants in yhe atmosphere

The answer is (B)
3 0
3 years ago
Read 2 more answers
The __ era follows the end of the Paleozoic era
andre [41]
The Mesozoic era follows the end of the Paleozoic era.
7 0
3 years ago
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