<span>Organisms that use photosynthesis (or utilize photons and nutrients from the abiotic environment to survive)</span>
Answer:
Diffusion is the movment of particles from an area of high concentration to a low concentration down a concentration gradient
Sperm cell. Meiosis is the creation of Sex cells, therefore, the answer would be Sperm Cell.
The correct answer is mouth of a river
That's where the river slows down and particles start sedimenting. When the sediment is huge, deltas are formed.
A- Flatworms are unsegmented and only have one mouth/anus opening. And they are obviously flat
