Which one of the following supports the hypothesis that life has changed over time. a prokaryotes have no nucleus. b the cell has no membrane. c some fossil plants have deep roots. d fossils are distinct form rock layer to rock layer

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above