3. Plants which were grown in the past and have been bred to adapt to a specific environment defines which of the following?
A. Heirloom crops
B. Year-to-year crops
C. Organic crops
D. Rotation crops

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane