What organelle can we live without?

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

When energy is used, atp molecules convert to adp molecules. this process is called

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds