Question
Which organism can best be described as a saprotroph?
A. A fungus that digests its food externally and absorbs the products of digestion
B. A beetle that feeds by ingesting the dung of other animal species and digesting its food internally
C. A single-celled eukaryote that is able to photosynthesize and consumes smaller organisms by endocytosis
D. A giraffe that feeds by ingesting leaves from an acacia tree
▶️Answer/Explanation
Markscheme
A
Question
Which is not essential in a viable mesocosm?
A. Light source
B. Autotroph
C. Saprotroph
D. Herbivore
▶️Answer/Explanation
Markscheme
D
Question
The Venus flytrap (Dionaea muscipula) is a photosynthetic plant. It obtains nitrogen but not energy by digesting captured insects.
Which term describes this plant?
A. Secondary consumer
B. Autotroph
C. Primary consumer
D. Saprotroph
▶️Answer/Explanation
Markscheme
B