Which of the following makes the best analogy to describe the movement of energy in an ecosystem?

A. pool

B. lake

C. river

D. pond

What does the network of nerves on the body wall coordinate (starfish)

Which type of rock forms when an existing rock changes under extreme pressure and intense heat?

What is a reproductive strategy? A. The number of alleles an organism passes on B. The DNA that is passed onto an offspring C. The adaptations that an offspring passes on D. The method an organism uses to produce offspring

What reproductive advantage do seed bearing plants have over spore bearing plants

Which one of these is not an example of intracellular communication A. Molecule in a cell changes function of cell B. Control of cell division C. Molecular movement within a cell D. Reaction to pheromones

Tulang rusuk yang bersambung dengan tulang punggung tetapi tidak berhubungan sama sekali dengan tulang dada

Animals can undergo lactic acid fermentation. A) true B) false

1 What is the structure enters and leaves that regulates what the cell?

Sharks and their relatives are the first group of animals with jaws. why are jaws a significant evoluntionary development

True (bubble A) or False (bubble B) : Mutations caused by UV light will favor mutations that cause changes to protect the cell from UV light