George wants to know which flower, a carnation or a rose, is more beautiful. he surveys his classmates to gather data.

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?