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matrenka [14]
3 years ago
7

Which is not a harmful effect of loss of biodiversity? A) loss of predators means an increase in pest populations B) water purif

ication is hindered C) the hole in the ozone increases D) soil formation is impaired
Biology
1 answer:
lubasha [3.4K]3 years ago
7 0
I think the correct answer would be that soil formation is impaired. It would have not that big of an impact to the society as compared to the other choices. Increase of pest populations would surely affect agriculture. Hindered water purification would affect the quality of groundwater. Also, increasing hole in the ozone surely affect everyone. 
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A bird species in danger of extinction has a population that is decreasing exponentially left parenthesis upper a equals upper a
serious [3.7K]

Answer:

This will happen in 39 years.

Explanation:

The population of the birds varies as A = A.e^kt

The population of birds fell from 1400 from 1000

Time it will take for the population to fall below 100 = x years.

when t = 0, population = 1400

t= 3; Population = 1000

Therefore:

1400 = 1000e^5k

e^5k= 1400/1000

k= (In 1.4)/5

we need to find x, such that

1400/1000= (e^xk)

14=(e^xk)

In(14) =kx

x= 5In(14)/In(1.4)

x= 39 years

5 0
3 years ago
What was one major source of conflict during the civil rights movement of the 1940s to 1950s?
Fofino [41]
One major source of conflict during civil rights movement of 1940 and 1950 is letter B. race r iots in new york and detroit. Detroit, New York and Texas ri ots are the major ri ots on that time. It is a riot that has a conflict of races and color discrimination. In the said ri ots, there is a conflict between the white and black because of issues of r ape and stealing properties.
7 0
3 years ago
1. What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell? 2. If your obs
Anuta_ua [19.1K]

Answer:

It will be observed that in the cell that undergoes the division there is a constriction of the membrane and part of the cytosol, with its chromatic poles at the ends and even possibly double genetic load in the center.

Explanation:

In general, these cells are seen with eosin and hematoxycillin, with which, their internal media will be more basophilic, with more violet staining since they have a high protein load in their interior due to the great genetic load.

During cell division, the genetic load increases because the amount of material is doubled to give a daughter cell.

5 0
3 years ago
Both the tropical rain forest and the tropical savanna experience/contain:
mr Goodwill [35]
Answer:

I believe they both experience heavy rainfall. Although the tropical savanna has a wet season, it also has a dry season.

Hope I could help.
5 0
3 years ago
1) Some species of insect are thermogenic and capable of producing their own heat. If a physiologist wanted to study the mechani
Elena-2011 [213]

Answer:

C) Mitochondria

Explanation:

Mitochondria generate most of the heat in endotherms. While many insects are ectotherms (animals in which their heat source is primarily from the environment), others are endotherms (animals which can produce heat internally by biochemical processes).

7 0
3 years ago
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