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AlexFokin [52]
3 years ago
6

Northern elephant seals (mirounga angustirostris) come up on a beach during breeding season. males arrive first and establish a

territory by posturing and fighting with other males. the posturing and fighting behaviors are probably the result of _____ selection.
Biology
1 answer:
JulsSmile [24]3 years ago
6 0

Intrasexual selection

Intrasexual Selection is when members of the same sex within a species contend emulously with each other in order to acquire chances to mate with others such as the male against male competition for females. This type of selection often involves posturing and fighting. Species or individuals suitable for intrasexual selection will possess developed better weapons than their competitors.

 






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which process results in two daughter cells each having the same number of chromosomes as the parent cell
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Answer: The correct answer is Mitosis.

Mitosis is a type of cell division in which parent cell is converted into two daughter cells having same number of chromosomes as that of the parent cell.

It is divided into the following stages-

1) Prophase-  It is the first phase of mitosis in which condensation of chromosomes ( clearly visible chromosomes with sister chromatids) takes place and the nuclear membrane is disappeared.

2) Metaphase- It is the second phase in which chromosomes are aligned at the equatorial plate of the cell and they are anchored by microtubules from opposite poles.

3) Anaphase- It is the third phase in which each sister chromatid of the chromosome is pulled apart ( with the help of microtubules) towards the opposite pole.

4) Telophase- Chromosome decondensation takes place and nuclear membrane is formed so that two nuclei are visible now.

5) Cytokinesis- It is the last phase of mitosis in which division of cytoplasm takes place so that two daughter cells are produced having same number of chromosomes as their parent cell.


3 0
3 years ago
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If you lived at point B in the diagram below, what time of day would it be?
Firlakuza [10]

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7 0
3 years ago
What causes fatty acids to be saturated and unsaturated
oee [108]

Answer:

Fatty acids have a carboxyl group at one end of a hydrocarbon molecule.

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The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or wil
arsen [322]

Answer:

The correct answer is C.

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According to research, 97 percent of humans and orangutans genomes are identical. Based on evolution, among all apes, the orangutans are very special as it has been stable for the past 15 million years.

Therefore, is the genetic variation between humans and orangutans is the greatest.

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