Which of the following is a testable hypothesis?
O
A. After careful analysis, it is concluded that parrots are prettier than
crows.
O
B. Slime molds might be important but they are gross and
disgusting
C. Cougars are the best animals ever.
O
D. Common house spiders need to eat insects to live.

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

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

What factors contribute to the effect an environmental toxin has on the human body?