Unlike the Porifera, Platyhelminthes and Nematoda . Select one: a. have true tissues and coeloms b. have true tissues and move independently c. do not have true tissues, but do have coeloms d. do not have radial symmetry and move independently

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

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.

Ecology can best be described as the study of what