He first land plants appeared before the first fishes. a. true b. false

Can a trait be both polygenic and have multiple alleles? explain why or why not.

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

The smallest biological units that can evolve are