If carbon dioxide is needed for photosynthesis and water is plentiful, which of the following is likely to occur?
a. the stomata will close until enough
water is lost.
b. water pressure is going to decrease in the guard cells.
c. additional water will be gained and the plant cells will become rigid.
d. the stomata will open until too much water is lost

An enzyme lowers the energy of activation. what does that mean?

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

Solutions to environmental problems in europe must