Which three organs help a plant carry out photosynthesis? A. Leaves, by trapping sunlight and taking in carbon dioxide
B. Stems, by transporting nutrients and water to plant cells
C. Flowers, by making seeds and enclosing them in fruit
O
D. Roots, by absorbing water and storing nutrients for later use
SUBMIT

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

synapse nervous system