Devon examines a small model of a palm tree. Which is a benefit of this model? A. It has the same parts as a real palm tree.

B. It is the same size as a real palm tree

C. It is a living organism like a real palm tree.

D. It is made of the same materials as a real palm tree.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

What kinds of molecules can pass through the cell membrane without any problem?