Mary Jane’s red hair is a recessive trait. If Peter is heterozygous for hair color, what is the chance their baby will have red hair? 1/4

2/4

0

3/4

What percentage of light hits earth's surface directly?

Which of the following is not a potential result of deforestation?

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.