What modern process is thought to be similar to the way crust formed before plate tectonics began? the principles of convection currents. the formation of the hawaiian islands. the formation of the isua greenstone. the principles of accretion.

Match the description of each organism to the appropriate category

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000