Tristan da cunha is a remote island in the atlantic ocean. in 1814, 15 people formed a colony there, one of whom carried a rare gene for blindness. the frequency of this gene is now 10 times higher on the island than on the mainland from which the settlers arrived. the mechanism of evolution .

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

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.