A bird, the Common Yellowthroat, has evolved a specific birdcall that can be made and understood by no other species of bird. This is an example of a genetic adaptation through variations in_[blank]_. behaviorbehavior , ,

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Which element provides strength to the exoskeleton of clams and oysters

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front