What are the various body features which make penguin a good swimmer ? How does being a good swimmer help a penguin ?

Mention two adaptive features of penguin that help it in swimming.

How does pruning help in making the hedge dense ?

Two statements are given in each of the following questions. followed by two onclus1ons I and II. You have to take the two statements to be true even, if they seems to be at anance from commonly known facts. Read the conclusions and then decide which of the given conclusion logically follows the given two statement. disregarding the known facts. Statements I. All skaters are good swimmers. II. All good swimmers are runners. Conciusions I. Some runners are skaters. II. Some skaters are good swimmers.

Which one of the following pairs of features is a good example of polygenic inheritance?