Before it was banned in the united states in 1972, the pesticide ddt was used to treat wetlands where mosquitos breed. there, algae would accumulate ddt in their tissues. small aquatic animals such as mayfly nymphs would eat the algae. fish would eat the mayfly nymphs and osprey would eat the fish. which tropic level would have the highest ddt levels?

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.