The fossil lineages of the amphibians are recognizable on the basis of the structure of the

Amistake occurs during mitosis of a muscle stem cell.how might this affect muscle tissue

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground