Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
Extract
CHESAPEAKE BAY FOOD WEB
Based on the food web shown, which of the following is true about the feeding relationships?
Answer Choices
- A: Bivalves have no natural predators in the Chesapeake Bay ecosystem.
- B: Wading birds are herbivores that eat aquatic vegetation.
- C: Phytoplankton are producers that convert light energy into organic matter.
- D: Sea ducks are primary consumers that eat only bald eagles.
Correct Answer: C
Rationale: Phytoplankton producers via photosynthesis. A: Predators shown. B: Eat fish/bivalves, not herbivores. D: Eat fish/bivalves, not eagles; secondary consumers. Base of web producers.