One of the three main functions of stems is to

A. carry out photosynthesis.

B. carry water and nutrients between roots and leaves.

C. store carbohydrates.

D. store water.

Why are digestive enzymes in cell enclosed in a membrane-bound organelle

If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? A) 0 gramsB) 2 gramsC) 4 gramsD) 8 grams

Type of evolution that is seen when two unrelated species evolve to benefit each other

What is the density if the mass is 10 grams and the volume is 50 ml?

Which of the following are dwarf planets? Check all that apply

A) What are the bases of mRNA coded for by this section of DNA before the mutation? Hint in RNA A pairs with U.

How does secondary succession differ from primary succession? It begins where no plants have grown. It begins on bare rock or land. Soil nutrients are already in place. Lichens and mosses form soil first.

True of False? The structure of the cell membrane is what allows water and other molecules to move in and out of cells.

Dolphins and fish have similar body shapes. isthis feature more likely a homologous or analogoustrait?

Which of the following is not a phase of gastric secretion? A. cephalic B. gastric C. intestinal D. enterogastric