Air, water, some kind of food or sustenance <span />
The question doesn't have choices. It would be better to have one.
Answer:
B) and D) are the correct answers
Explanation:
Hadalpelagic zone contains life such as amphipods
, snailfishes and cusk-eels.
Epipelagic zone is the ONLY zone where visible light and algae can be found. Lower than that the amount of light is insufficient for plants to carry out photosynthesis.
The mesopelagic zone has a diverse biological community that includes unique organisms adapted to live in a low-light environment including fish like
the blobfish, bristlemouths or the tasselled anglerfish.
<u>T cells lymphocytes </u>are a type of white blood cell that actively target and destroy infected cells via the production of antibodies.
