Whales are thought to have evolved from land animals similar to large otters. as evidence of this, whales have useless leg bones (structure c) that float inside their bodies. these leg bones are structures.

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials