The pupose of this passage is to

a)give a history of seed plants.
b)describe the plarts and seed plants and their purpose.
c)compare seed plants and seedless plants.
d)describe several uses of seed plants.

The meselson-stahl experiment demonstrated that dna replication is semiconservative. in the figure, semiconservative replication is illustrated by

Why do bacteria thrive even in hostile environments

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.