Which statement correctly describes a chemical reaction? O Reactants come out of a reaction.
O Energy is always released.
O Bonds between atoms break and reform.
O Products go into a reaction.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

The law of states that traits are passed from parents to offspring independently of one another.. true or false