We can rule out small fish and grasses. My guess is that zooplankton get their energy from phytoplankton, because phytoplankton use photosynthesis to get their energy.
Lack of antibodies because thats the stuff to fight things away
Answer:
science is the method of obtaining knowledge through observation and experimentation
Explanation:
4.B.-carrying out investigation
C-observing the natural world
Answer:
your answer it is help to understand this question
Facilitated diffusion of substances crossing the cell (plasma) membrane takes place with the help of proteins such as channel proteins and carrier proteins.