Population density is calculated by . a. dividing the number of organisms in a region by the land area b. multiplying the number of organisms in a region by the land area c. dividing the land area by the number of organisms in the region d. by subtracting the land area from the number of organisms in a region Please select the best answer from the choices provided A B C D

Class iii atmospheric hazards are those involving

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

Essay on sustainable development of soiciety