Insects often act as pollinators for plants. in turn, plants provide these insects with food. what kind of a relationship exists between the insects and the plants?

What was carolus linnaeus' classification system of organisms based on? a.physical characteristics of organisms b.food habits of organisms c.habitat of organisms d.size of organisms

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%