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Artemon [7]
3 years ago
11

Which body system would be directly affected if lots of T cells were destroyed by a virus lik HIV

Biology
2 answers:
Juli2301 [7.4K]3 years ago
4 0
The body system that would be directly affected if mass amounts of T- cells were destroyed, would be the immune system mainly.
zalisa [80]3 years ago
3 0
The immune system us the answer.
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Which level of biodiversity includes species richness and evenness?
Novay_Z [31]
The answer is:

Community Diversity.

Reason Why: Here is an example, say you have 2 communities, community 1 is A, and community 2 is B, Communities A and B contain 5 tree species, However because community B has greater species evenness it has greater species diversity.
Community A is dominated by one of its 5 species and so has lower species diversity than.....community B, which has the same 5 species but in equal proportion.

Richness- Number of Species
Evenness-Relative abundance.

Hope This Helped!
7 0
3 years ago
Read 2 more answers
A fruit fly of genotype B R/b r is testcrossed with b r/b r. In 84 percent of the meioses, there are no chiasmata between the li
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Answer:

4 percent (4%)

Explanation:

A single crossover occurs between two (non-sister) chromatids belonging to homologous chromosomes. In this case, 16 percent of the meioses have a single crossover, thereby it will produce 8 percent of the chromosomes with the original (parental) combination in the progeny and the remaining 8 percent should be recombinants. From this result, it is reasonable to conclude that half of these recombinants should be 'Br' (and the other remaining 4 percent should be recombinants 'bR'), and therefore the answer is 4 percent (4%).

5 0
3 years ago
_____ involves creating a small pouch at the base of the esophagus, which severely limits food intake. the stomach may be staple
vampirchik [111]
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4 years ago
What variables(s) influence(s) whether a nonpolar molecule can move across a membrane by passive diffusion?
zhuklara [117]
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6 0
4 years ago
Pakicetus
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Answer: The basic theme of whale evolution is the development of large animals from much smaller ancestors, and nowhere is this more evident than in the case of multi-ton sperm and gray whales, whose ultimate forebears were small, dog-sized prehistoric mammals that prowled the riverbeds of central Asia 50 million years ago. Perhaps more intriguingly, whales are also a case study in the gradual evolution of mammals from fully terrestrial to fully marine lifestyles, with corresponding adaptations (elongated bodies, webbed feet, blowholes, etc.) at various key intervals along the way.

Explanation:Pick B is the best choice

6 0
3 years ago
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