Endangered peregrine falcons have been bred in captivity and released in area where they prey on pigeons and rodents. These activities are examples of 1
species preservation and biological control
2
overhunting and direct harvesting
3
recycling and technological development
4
conservation of resources and habitat destruction

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?