Which structure is primarily responsible for directing all processes of a plant cell?

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?