Why do predator populations follow the cycles of prey populations?

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

The body is protected against harmful flu viruses by

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?