What is the number of individual organisms of a particular species in a group

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring