Who discovered the cell? Carl Linnaeus

Robert Hooke

Antonie van Leeuwenhoek

John Locke

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of