How do fossils of limb structures provide evidence that ancient and modern tetrapods are related

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

As a small change in a person's dna can cause a genetic disorder

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates