Explanation:
I am sorry but please give detailed question
Well there are many factors that go into the categorization of different life singers in each aquatic system, from the ph levels in the water, the temperature, the depth, the presence of lights, as well as foreign factors s as well such as natural disasters, human/unnatural predatory fishing (invasive), and not to mention pollution, all of which can change the balance of an aquatic system to a minimal degree to turning it into an ecological “dead zone”
Answer:
pumps/channels
Channels are a type of facilitated diffusion.
Pumps are a active transport system to any living thing. So, the answer is pumps/channels.
Hope this answer helps!
The answer would be inflation
Answer:
Explanation:
Reproductive structures of hydra include the testis (consisting of sperm cells) and the ovary (carrying the egg) that are located under the ectoderm