The air temperature was typical in the area on august 14, 2000. the average low was 16°c and the average high was 27°c. compare the change in average air temperature to the change in water temperature at a 2-meter depth. relate the difference between the air and water temperature change to a property of water.

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

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.

Which organelle stores most of a cell’s dna?