Bats have a well developed sense of ecolocation to allow them to hunt for food. With the use of Darwin's principals, how might have this evolved?

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring