(Q).
Q: Fruit fly and brine shrimp hox genes have evolved independently for how long? Choices: - 60.000 million years - 100.32 million years - one billion - 400 million years A:
(A).
400 million years

(Q).
Q: What is formed when the ceiling of an underground cave collapses? Choices: - hill - groundwater - mountain - sinkhole A:
(A).
sinkhole

(Q).
Q: Is the rate of population growth increasing or decreasing? Choices: - suggesting - Vanishing. - preventing - increasing A:
(A).
increasing