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Arada [10]
3 years ago
8

Climate change may cause the populations of some species to increase and expand their range of distribution. Explain why this ch

ange can be positive for the species but negative for the ecosystems it invades.
Biology
1 answer:
ddd [48]3 years ago
8 0

Answer:

An increase in the population of a species increases the chances of survival for that species. The species will be able to survive severe changes such as diseases and disasters. However, if the species moves into a new area, competition will increase for the species already in that area. The increased competition will negatively affect these other species.

Explanation:

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Which image in the onion root tip is an example of metaphase
Pachacha [2.7K]

Answer:

If any of the pictures represent the picture I attached or have any similar properties to it, that is most likely the answer.

Explanation:

Hope this helped :)

8 0
3 years ago
The simple interest on $200 at 12% for 2 years is
Ganezh [65]

Answer:

d. $48

Explanation:

1 year = 12% = 0.12

2 years = 12% × 2

2 years = 24% = 0.24

24% of $200 = 0.24 × 200

24% of $200 = $48

Therefore the interest on $200 for 2 years is $48

:)

5 0
1 year ago
1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether
yanalaym [24]

Answer:

The oxygen dissociation curve represents the percentage saturation of Hb with oxygen at different partial pressure of oxygen. The different partial pressures gives sigmoid shapes to the curve. When this curves shifts to right, it  indicates  low affinity or binding of oxygen by the Hb. it also indicates the unloading or releases of Oxygen by Hb molecules at condition of low pressure. e,g in the muscles during strenuous exercise.However, when the curve shifts to the left, this indicate high affinity for oxygen, great binding, at high partial pressure of oxygen.e,g in the lungs to take oxygen and releases CO2.

Therefore in this scenario, the statement -. <u>During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right.</u> is correct. because oxygen is needed by the muscles therefore ,oxygen should be less binded by Hb,  decrease affinity and easily unloaded to muscles.

<u>The statement </u>This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 into hemoglobin in the lungs is wrong.

As explained above the rightwards shift indicated low affinity of Hb for oxygen(unloading)and  favours unloading at the muscles because during strenuous exercise the partial pressure of oxygen is very low(but that of CO2 high) in the muscles which favours low oxygen molecules  binding by Hb, and easy release to respiring cells.

Explanation:

4 0
3 years ago
When a gene changes within a population over time, it is referred to as __________.
yarga [219]
<span>When a gene changes within a population over time, it is referred to as evolution. This refers to a long but steady rate of mutations that occur in genes of organisms within the environment. A lot of factors affect a population's evolution (e.g. climate, reproduction, food source) and it is a determinant whether a species will survive for the next generations. </span>
3 0
3 years ago
True or false? plague is endemic in wild rodent populations in the southwestern united states.
nirvana33 [79]
The plague is endemic in wild rodent populations in the southelwestern united states so it's true.
8 0
3 years ago
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