Which organisms are heterotrophs?
photosynthesizers
producers
consumers
plants

consumers

Explanation: Heterotrophs are organism that does not have the ability to manufacture their own food rather depend on plants and animals for their survival. Examples of heterotrophs are animals such as man, cats, dogs. All animals are heterotrophs. They are called consumers.

Photosynthesizers are organisms which manufacture their own food using carbon dioxide and water in the presence of sunlight. They are called autotrophs or producers. Examples are green plants.

consumers

Explanation:

the answer is "a.) well–developed vascular system."

explanation: