Water would move out of the by osmosis from of high concentrations to an area of low concentration. Salt ions would undergo a net movement by diffusion from the surrounding solutions into the cell.
Answer:
The spongocoel, or interior of the sponge, is composed of walls perforated with microscopic pores that allow water to flow through the spongocoel. Researchers now think that the most likely candidate for this "Animal Eve" is the sponges.
Chromosomes are turned on or off. Ex. genes for karatin (which makes hair) are turned on when they are on top of your head, but are turned off on the palms of your hands.
In the circle in the middle also called the nucleus
Answer:
40 million years ago
The earliest whales that we think were fully aquatic, that is, they never left the water, are found around 40 million years ago, during the middle Eocene. That means that the transition from terrestrial animals to fully aquatic animals took about 12 million years.
Explanation:
