From a classification standpoint, which of these organisms is least like the other three?

a)alligatorb)crabc)frogd)whale

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.