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Inga [223]
3 years ago
7

What was Charles Darwin’s contribution to the theory of evolution?

Biology
2 answers:
Svet_ta [14]3 years ago
6 0

Answer: Charles Darwin introduced the idea that organisms better adapted to their environment would tend to survive, reproduce, and increase in number.

Explanation:

leonid [27]3 years ago
3 0
He is the father of the theory of evolution.He discovered it.
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Which of the following is a basic type of vaccine?
Katyanochek1 [597]

The basic type of vaccines are:

nucleic acid vaccines

subunit vaccine

live, attenuated vaccine

An easy, secure, and reliable method of preventing hazardous infections before you are exposed to them is vaccination. It boosts your immune system and builds up your body's natural defenses against particular illnesses.

Your immune system is trained by vaccinations to produce antibodies, exactly as it does when it is exposed to a disease. However, because vaccinations only include dead or weakened versions of bacteria or viruses, they do not really cause the disease or increase your chance of developing its symptoms.

In order to create immunity, vaccines act in conjunction with your body's natural defenses. Your immune system reacts when you receive a vaccination.

To know more about vaccines, visit:
brainly.com/question/6683555
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6 0
1 year ago
After ovulation, an oocyte remain viable in the female body for up to
Georgia [21]
<span>After ovulation, an oocyte, or egg cell, remains viable in the female body for up to 24 hours. The generally accepted lifespan in a woman's body is 12 to 24 hours for the egg and up to five days for the sperm cells. Intercourse occurring as many as five days prior to ovulation, therefore, could potentially result in pregnancy.</span>
8 0
3 years ago
Secondary succession could occur after a _______.
pychu [463]

Answer:

disturbance has destroyed population in a community

Explanation:

The secondary succession occurs after there has been some disturbance that has manged to badly damage or destroy the populations in a community. This basically means that after some catastrophic event that happened to a certain population or populations, other species moved in to colonize the freed space. There are countless examples of secondary succession in nature, and one of the best is when there is a strong volcanic eruption. The volcano manages to destroy the population of plants and animals in its close surroundings, but after the eruption ends, the space starts to be colonized by new plants and animals step by step until they create a new well functioning community.

5 0
3 years ago
Read 2 more answers
What is the difference between positive and negative pglo?
nevsk [136]
Pglo is a plasmid.it has a gene for a protein that is bioluminescent.positive pglo bacteria have this plasmid while negative pglo bacteria do not
3 0
3 years ago
Potassium (K) is an important element in all body cells. It has just one electron
densk [106]

The one electron in its valence shell would most likely be  donated to form a positively charged ion.

<h3>What is potassium?</h3>

Potassium is an element of group one. This element is univalent and has a valency of one. This implies that the outermost shell of the potassium atom is composed of only one electron.

Thus,  the one electron in its valence shell would most likely be  donated to form a positively charged ion.

Learn more about potassium ion:brainly.com/question/24336764

#SPJ1

7 0
1 year ago
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