Which of the following is not an example of the use of a pheromone?
a.
wolves mark their territories by urinating at the boundaries.
b.
hyenas give off an odor that keeps different clans of hyenas apart.
c.
poisonous snakes wind around each other and butt heads.
d.
skunks release a rotten odor when they are threatened.

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection