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MaRussiya [10]
3 years ago
10

The human population of the United States passed through the demographic transition between 1790 and 1910. How has the populatio

n
changed after 1910?
Biology
1 answer:
Afina-wow [57]3 years ago
3 0

Since 1910, the urban population has grown by nearly 500 percent while the rural population has grown by 19 percent. ... The Census Bureau estimates that during the same 30-year period, the population of the 49 states grew by more than 82 million people, or 36 percent

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Humans have fished the prawns and small fish in an estuary to near extinction. Describe the impact this could have on the bacter
Yuri [45]

Answer:

Overfishing is one of the major concern no a days in aquatic systems. overfishing is resulting in the extinction of aquatic organisms and it can lead to several damage to other living organism.

Prawns and small fishes are important organisms in food web or in aquatic system as they maintain the bacterial level or other microorganism level in control.

Prawn and small fishes utilize oxygen and nutrients present in water to survive, if they will get extinct the amount of nutrient and oxygen left will be used by the bacteria and mold living in the system which can have bad impact on human and other organism.

Heron and pelican populations depends on prawn and small fishes for survival as they feed on them and when there will be not sufficient population of  prawn and small fishes, there are chances that heron and pelican populations can also get extinct.

6 0
3 years ago
Some interactions lead to _____, which occurs when organisms in an environment rely on each other for resources. An example of t
juin [17]

Answer:

The correct answer will be:

1. Mutualism

2. Competition

3. Commensalism

Explanation:

In an ecosystem the organism interacts with each other in one of the following ways:

1. <u>Competition</u>- interaction occurs when two or more than two species depend on the same resources, sharing the same habitat and niche. These species will fight for the resources and both will be negatively affected.

2. <u>Commensalism-</u> interaction takes place when one organism is benefited while the other is neither harmed nor gained. For example- the interaction between Remora fish and large fish in the ocean.

3. <u>Mutualism</u> -occurs when the species are dependent on each other for the resources and both benefits each other. For example- the plants and birds co-evolved benefiting each other like animals helps in pollination and plants provide nectar to them.

Thus, the selected options are the correct answer.

7 0
3 years ago
Read 2 more answers
The cell spends most of it's time in:
guajiro [1.7K]

Answer:

d

Explanation:

During its life cycle, a typical cell spends most of its time in Interphase, where it grows and carries out its particular job. At some point in its life, it is triggered to divide into two daughter cells.

8 0
3 years ago
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Which statement describes competition in an environment?
Vlad1618 [11]

Answer:

C

Explanation:

6 0
3 years ago
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If the battery in the circuit above is 24 v and the resistance is 12ohms what is the current i
Debora [2.8K]

Answer:

2 Ampere

Explanation:

According to Ohm's Law

V=IR

where V is voltage I is current and R is resistance

24=I(12)

I=24/12

I=2 A

5 0
3 years ago
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