Answer:
B. Geographic Isolation
Explanation:
Speciation is a biological process that allows the generation of new species through existing species. Through conditions imposed by the environment in which this species lives.
Speciation is usually caused by geographic isolation.
Geographic isolation occurs when a population of the same species is separated by some type of natural barrier, such as rivers or mountains. This causes the population to be divided in two and begin to face different environments and different environmental conditions. This causes each part of the population to adapt in different ways, leaving them so different from one another that it is no longer possible to say that the two populations belong to the same species.
C) Rocks
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Answer choices:
- A frame shift mutation in the X chromosome of a cheek cell
- A chromosomal mutation in the Y chromosome of a kidney cell
- A point mutation in the first chromosome of a sperm cell
- A substitution mutation in the third chromosome of a uterus cell
Answers:
A point mutation in the first chromosome of a sperm cell
Explanation:
Only mutations that affect the germ line are passed on to the next generation. Therefore, only mutations in the egg and sperm of an individual have the potential to affect the next generation.
Mutations in cheek cells, kidney cells, and uterus cells might cause cell death or cancer. This genetic material is not passed on to the next generation, only the egg and sperm contribute this material. Therefore, only mutations here will affect the generation.
Answer:
NO
Explanation:
The animal cell and plant cell are both eukaryotic cells. Eukaryotic cells are the type of cells that contains membrane-bound organelles, such as the nucleus, mitochondria, Golgi apparatus and a cytoskeleton.
The cytoskeleton, which is composed of microfilaments, internal filaments, and microtubules, <u>is present in both the animal and plant cells.</u>
However, some of the organelles that are not present in both the animal cell and the plant cell are centrosome and lysosomes.
<u>The </u><u>lysosome</u><u> is present only in the animal cell.</u>
