How do animals add carbon dioxide to the atmosphere ?

Explain how organisms could be harmed by high levels of salt from roadways?

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.