Praxis II Science (7814) Practice Exam 2025 - Free Praxis Science Exam Questions and Study Guide

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What distinguishes an autotroph from a heterotroph?

Autotrophs require sunlight; heterotrophs do not

Autotrophs produce their own food; heterotrophs consume others

Autotrophs are always plants; heterotrophs are always animals

Autotrophs use photosynthesis; heterotrophs use cellular respiration

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