Question

A certain species of frog comes in two different colors, green and brown. A population of these frogs live in and along a river. In 1980, a very large drought occurred, causing most of the river to dry up. Most of the plant life around the river died as well. Why did the green frog population decrease after the drought?A certain species of frog comes in two different colors, green and brown. A population of these frogs live in and along a river. In 1980, a very large drought occurred, causing most of the river to dry up. Most of the plant life around the river died as well. Why did the green frog population decrease after the drought?

Answer 1

Ram Ram ji...

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(1) red-eyed tree frogs are brightly colored frogs that live in the rainforest. (2) they get their name from their large, bright eyes. (3) these animals have bright green skin with blue or yellow stripes on their sides and brilliant orange feet. (4) these flashes of color can confuse another animal long enough for the frog to get away. (5) in nature, bright colors can often be a warning sign of poison or danger. (6) when an animal comes close to a red-eyed tree frog, the frog will blink its eyes and pick up its orange feet. (7) although these tree frogs are not venomous, scientists believe that the frogs' bright coloring might stop other animals from eating them. (8) poison dart frogs are brightly colored and poisonous to animals that eat them.

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Answer 2

The green frog couldn't camouflage within the brown background. So the frog of green colours died quickly.

Explanation:

• The frogs were two in varieties - one is of green colour and other is of brown colour.

• During the normal time, the river bed was full of plants and bushes which made the environment green in colour.

• So the green frogs could camouflage with the surrounding.

• But with the drought, the green plants died.

• This made the surrounding brown in color, because the colour of soil is brown.

• This made the green frogs more vulnerable to the hunters.

• This acted as the advantage for the brown frogs whose number remained constant, but green frogs died because of over hunting.

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