Which one of the following are analogous structures?
Wings of bat and wings of pigeon
Gills of prawn and lungs of man
Thorns of Bougainvillea and tendrils of Cucurbita
Thorns of Bougainvillea and tendrils of Cucurbita
B.
Gills of prawn and lungs of man
Analogous organs are the structures of different species having similar or corresponding functions but different structure. They do not belong to the same evolutionary origins.
Wings of bat are skin folds stretched mainly between elongated fingers but the wing of birds are a feather covering all along the arm. They look similar because they have a common use for flying but their origin is not common.
Which of the following had the smallest brain capacity?
Homo erectus
Homo sapiens
Homo neanderthalensis
Homo neanderthalensis
A population will not exist in Handy - Weinberg equilibrium if
individuals mate selectively
there are no mutations
there is no migration
there is no migration
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
shortening of jaws
Binocular vision
Increasing brain capacity
Increasing brain capacity
Darwin's finches are a good example of
industrial melanism
connecting link
adaptive radiation
adaptive radiation