Unlike bryophytes, ferns
a. have vascular tissue.
b. exhibit alternation of generations.
c. utilize photosynthesis.
d. have to get water from the environment.

The process by which natural forces move weathered rock and soil brim one place to another is called

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells