Euglena contain chloroplasts. when light is limited, they can eat particles to obtain energy. are these organisms classified as heterotrophs or autotrophs?

Does any one know what blood tastes like

What is the goal of cellular respiration

What is a food chain? a.different animals located in different communities b. energy transferred from the sun to plants and then to a series of living things c. rows of crops, such as lettuce, in a field d.animals using one another as food for energy and growth