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Cerrena [4.2K]
3 years ago
6

Sexual reproduction evolved multiple times in various groups of organisms. Sexual reproduction differs across the various groups

, but
almost always involved meiosis followed by gamete release and fertilization. What explains why the phenomenon of sexual
reproduction was under selective pressure to evolve multiple times in groups of organisms?
Biology
2 answers:
Tema [17]3 years ago
8 0

Answer: C usatestprep

Explanation:

uranmaximum [27]3 years ago
4 0

Answer:

C. Sexual reproduction produces genetically diverse offspring. Genetically diverse populations are more resilient to environmental disturbance and are less likely to go extinct.

Explanation:

Genetic diversity is the greatest advantage of sexual reproduction. Other than random mutations, asexual reproduction offers no genetic diversity. A population of clones that lack genetic diversity are at a much greater risk for population decline and extinction in a changing environment.

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Long before the structure of DNA was solved, the physicist Erwin Schrodinger suggested that the three-dimensional arrangement in
Georgia [21]

Watson and Crick's model explained mutability because bases pairs can suffer changes (mutations) during DNA replication. Moreover, this model also explained stability because DNA strands are held together by hydrogen bonds.

Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.

In Watson and Crick's model, both DNA strands are held together by hydrogen bonds between nitrogenous bases on opposite DNA strands, thereby providing stability to the DNA molecule.

In DNA, Guanine always pairs with Cytosine by three hydrogen bonds, while Adenine always pairs with Thymine by two hydrogen bonds.

Moreover, Watson and Crick suggested that mutations could occur as a consequence of a base occurring very infrequently in one of the less likely tautomeric forms during DNA replication, thereby also explaining the mutability of life.

Learn more in:

brainly.com/question/762661

3 0
2 years ago
How does genetic variation create new species over time?
jolli1 [7]

Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival of a population in the face of changing environmental circumstances. Consequently, genetic variation is often considered an advantage, as it is a form of preparation for the unexpected.

4 0
4 years ago
Which of the following bacterial genera produce(s) endospores?
Archy [21]

Answer:

E) Both Bacillus and Clostridium.

Explanation:

Bacterial endospores production is part of its survival mechanism. Bacteria produces these highly resistant spores that lies dormant in vegetative state, used during unfavourable and stressful environmental conditions. They are produced by gram positive bacteria such as Bacillus and Clostridium, and can lay dormant for years. Endospores are non-reproductive structures resistant to radiations, starvation and chemical disinfectants.

5 0
3 years ago
Y'all is this a termite Im scared???​
Rina8888 [55]

Answer:

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8 0
3 years ago
Which describes a way in which phosphorus may enter into the phosphorus cycle?
Paladinen [302]

Answer:

I think the correct answer from the choices listed above is option C. A way in which phosphorus may enter into the phosphorus cycle is that when human use of fertilizers release phosphorus into the groundwater. Hope this answers the question. Have a nice day.

4 0
3 years ago
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