Question

Name the phenomenon that governs the following: - i) Green beetles living in green bushes are not eaten by the crows. ii) Number of blue beetles in green bushes increases, only because the red beetles living there were trampled by aherd of elephants iii) No ‘medium height plants’ are obtained in F1 generation, upon crossing pure tall and dwarf pea plants. iv) Tails of mice were surgically removed for several generations; still mice had tails in the following generations. v) A migrant beetle reproduces with the local population; as a result genes of migrant beetle enter the newpopulation. OR a) What are fossils and how is age of fossils determined? b) During artificial selection, which features of wild cabbage were selected to give rise to i) Cabbage ii) Cauliflower

Answer 1

It very well may be both regular determination (that is survival of green insects just while other shaded creepy crawlies couldn't remain alive on account of predators) and adjustment (every one of the bugs adjusted to change their shading into green for survival).

It's called hereditary float, where to keep up an equalization in populace a piece of it turns out to be progressively inclined to threat while other gain advantage and endure.