Convergent Evolution because the finches beaks had to adapt to the different terrain based on what they access of to eat.
High quantities of nutrients in water from industrial crop fertilizers and animal waste cause excessive aquatic plant growth — a process known as “eutrophication,” which, in turn, causes “hypoxia,” or water that is low in oxygen. Harmful algal blooms (or HABs) occur when aquatic algae grow rapidly out of control.
The answer is (1) !!
it is one direction, from sun to produces to consumer !!
Respiratory- You breath faster to help supply the muscles with more oxygen.
Integumentary (skin) - Sweat helps cool down the body.
The answer is A.the site on an enzyme where the substrate binds