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GuDViN [60]
3 years ago
14

The macrophage and lymphocytes are major agents of the of what body system?

Biology
1 answer:
Travka [436]3 years ago
7 0
The answer is the <span>Immune system</span>
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Sometimes genes, for no known reason, change their form in a process called spontaneous __________.
cupoosta [38]

Answer:

Mutation.

Explanation:

Mutation may be defined as the sudden heritable change in the DNA sequence of the organisms. Mutation can results in the change in the genotype and phenotype of the organisms.

Two main types of mutation are spontaneous mutation and induced mutation. Induced mutation occurs intentionally with the help of the mutagens. Spontaneous mutation is the natural mutation that occurs for the no known reason.

Thus, the answer is spontaneous mutation.

7 0
3 years ago
Select all that apply.
vitfil [10]
Nitrogen is not necessary <span />
7 0
3 years ago
Read 2 more answers
An anthropologist finds a fossil that is 4 million years old. Its pelvis suggests it walked upright. Which species could the spe
Alika [10]
I would think a biped cause that is what we call a 2 legged animal
4 0
3 years ago
Which is the best explanation for how air masses move across the United States
Akimi4 [234]
Warm air rises, expands, then cools. As cool air sinks it may cause precipitation. Some air masses such as the MT which originate in warm environments carry humid air and cause heavy precipitation in some areas.
6 0
3 years ago
Shifting biomes could have consequences for the regions in which the shifts occur. Read the two cases below and decide which con
Nata [24]

Answer:

increased risk of wildfires- both

local economy suffers- Case 1

carbon storage decreases - Case 2

agricultural production decreases - Case 1

carbon storage increases -  Case 1

disease vector range changes - Case 2

decreased water availability - Case 1

local economy thrives - Case 2

species range changes - Case 2

Explanation:

Fires are common to  taiga biomes. Owing to the fact that the biome in case 1 changed from an agricultural community to a grassland and subsequently to a desert, agricultural productivity will decrease, the local economy will suffer, water availability is decreased and local economy suffers as a consequence of desertification.

On the other hand, in case 2, the diseases vector range as well as species range changes due to the change in the species of foxes from Artic foxes to red foxes that carry rabies. Carbon storage decreases as the taiga biome acts as a carbon sink. The local economy thrives due to timber production.

Lastly, species range changes both in case 1 and case 2 since there is a loss of species. Species range is the area where a particular species can be found during its lifetime. Certainly, the range of area where species are found changed in cases 1 and 2.

8 0
3 years ago
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