<span>Euglena is autotrophic and has a chloroplast. Euglena can photosynthesize and make its own food.
Zooflagellates cannot photosynthesize and cannot make their own food. So, Euglena is considered phytoplankton and Zooflagellates are considered zooplankton.</span>
D. Organisms have cells with different shapes and functions.
The most probably cause would be dehydration because headaches and drowsiness are symptoms of it.
Answer:
the volume of air that is inhaled that does not take part in the gas exchange
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes.