All of the following represent ways that animals defend themselves against predators except a) incorporating plant toxins into their tissues. b) cryptic coloration. c) mobbing. d) interspecific competition. e) hiding or fleeing.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Contrast how pollination is different among gymnosperms and angiosperms.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?