Which sequence best represents the flow of energy through an ecosystem?
(1)sun → green plants → herbivores → carnivores
(2)sun → herbivores → producers → consumers
(3)green plants → carnivores → consumers → herbivores
(4)consumers → carnivores → herbivores → producer

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

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.

What kinds of molecules can pass through the cell membrane without any problem?