Everything an organism does and when it does it describes and organism
a/ tolerance
b/ community
c/ character displacement
d/ niche

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions