What evidence do we get from fossils?

What type of specimens where you able to see under each of the microscopes in the microscope activity

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

What is the next step in muscle contraction after the actin changes shape? (apex)