Earth science multiple choice question
q: troglobites usually have all the following except:
a. slow metabolism
b. alternative methods of sensing their habitats
c. eyes
d. no pigments

What is the name for a substance formed in a chemical reaction

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food