Which of the following is NOT a major type of marine ecosystem? a estuary
C. surface zone
b. intertidal area
d polar ice

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?