How does biomass change from lower to higher trophic levels? A. It stays the same.
B. It fluctuates.
C. It decreases.
D. It increases.

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition