Random question?

Which of the following would most likely happen if grasses and shrubs were removed from a rural Massachusetts ecosystem?

Random question?

Termites eat wood but cannot digest it. Protozoans live in the termites' stomachs and use enzymes to break down the wood. The digested wood provides nutrition for both the termites and the protozoans. What type of relationship is this?

Random question?

A water wave that occurs in an ocean is an example of which type of wave?

Random question?
A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass?