Answer:
Scientists usually use the potassium-argon method to date rocks that are older than about 1 million years. Uranium-238 is also used for radiometric dating. It has a half-life of 4.5 billion years. It decays to produce lead-206.
Biological Evolution- is the refers to the cumulative changes that occurs ina population over a time.
Answer:
When populations are separated by a barrier forming a new species
Answer:
mimicry
Explanation:
Mimicry -
It is the resemblance in between two organisms of different species or may be of the same species .
The main reason for mimicry is the protection of the species from the predators .
From the question , the beetles in the second case mimic the characteristic of the first beetle , by raising their abdomen , just top protect them selves .
Hence , the correct term for the given question is - mimicry .
