B. "OK. Let's mix these two chemicals together and see what happens!" c. "That concludes my presentation on the effects of using caffeine as a pesticide."
d. “If watching TV makes one gain weight, then I will lose weight if I stop watching TV."
e. “My graph shows that dolphins communicate better with a female trainer."

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

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.