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Georgia [21]
3 years ago
7

Does anybody know what question 3 answer is? ❤️

Biology
1 answer:
SIZIF [17.4K]3 years ago
4 0
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If an overlap develops between the ranges of two closely related species, and if the species occupy the same niche in the zone o
Anika [276]

Answer:

The answer is letter B

Explanation:

One species will take over most or all of the zone of overlap. Because there will be a competition between the two species. One wil thrive, while the other will eventually die out due to natural selection.

It is important to remind that according to the competitive exclusion principle, no two species can occupy the same niche.

3 0
2 years ago
When adult amphibian skin harbors populations of the bacterium, Janthinobacterium lividum (Jl), chytrid infection seems to be in
ira [324]

Answer:

C: Take infected amphibians and assign them to two populations. Leave one population alone; inoculate the other with Jl. Measure the rate at which infection proceeds in both populations.

Explanation:

In scientific investigations, the best way to determine the effect of certain experimental factor on the population of study is to have a baseline for comparison. This is usually referred to as controlled experiment.

<em>In the case of the observation that chytrid infection in amphibians seems to be inhibited by Janthinobacterium lividum, the best way experimental design is to get a population of amphibians suffering from the disease, divide them into two groups and subject them to the same conditions except the introduction of Janthinobacterium lividum to the skin of one of the groups.</em>

<em>A suitable method can thereafter be employed to measure the rate at which infection proceeds in both population. If indeed, the bacterium has the capacity to inhibit the infection, the rate of infection in the group with the bacterium will be significantly less than that of the group without the bacterium. </em>

The correct option is C.

<em />

3 0
3 years ago
Which layer of the atmosphere do thunderstorms take place in?
Ksivusya [100]
<span>Almost all weather occurs in the lower layer of the atmosphere (the Troposphere), with the exception of large storms like hurricanes or large thunderstorms (whose clouds have great vertical development and reach the Stratosphere.)</span>
4 0
2 years ago
In the mid- 1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to increasingly colder temperatu
grigory [225]

Answer:

Charles Darwin

Explanation:

Natural selection, most famously proposed by Charles Darwin, states that when presented with an environmental challenge, some individuals in a species will develop adaptations to face these challenges. Successful individuals will be more likely to mate and their offspring will inherit these adaptive traits, and will continue to pass for generations.

In this sense, plants face the challenge of the cold. Those that adapt to the cold will survive and reproduce, those that can't adapt to the cold will die. Eventually, only plants that can tolerate the cold will survive.

4 0
3 years ago
The cytoplasm flows within the cell membrane circle, keeping every part ____________.
Aleonysh [2.5K]
Cytoplasm keeps everything in place
4 0
3 years ago
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