Under what conditions does the heart rate change?

What are two reasons for why a species might disappear from the fossil record?

Which type of neuroglia is found outside of the brain?

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