Explain in brief any two evidences of Evolution.

Explain in brief about queen bee.

With the help of given information write your comment on evidences of evolution. Mammals have four limbs as do birds, reptiles and amphibians. The basic structure of the limbs is similar, though it has been modified to perform different functions.

Define ecosystem/ecological services. Explain in brief with regard to pollination.

With the help of vien information write your comment on evidence of evolution. Mammals have forelimbs as do birds, reptiles and amphibians. The basic structure of the limbs is similar, though it has been modified to perform different functiions.

Explain in brief COVID-19.

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (A)Wings of butterfly and bird look alike and are the results of (i), evolution. (B) Miller showed that CH_(4), H_(2), NH_(3) , and (1) when exposed to electric discharge in a flask resulted in formation of (ii) (C) Veriform appendix is a (i) organ and an (ii) evidence of evolution. (D) According to Darwin evolution took place due to (i) and (ii) of the fittest.

Which one is palaeontological evidence of evolution?

Explain in brief structure of Insulin.