What role do plankton play in the oxygen cycle? A. They produce oxygen in the forests.
B. They produce oxygen in the ocean.
C. They absorb carbon dioxide in the forests.
D. They release carbon dioxide in the ocean.

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks