Producers get their energy from the ____________, secondary consumers get their energy from ___________. 
 a
herbivores, carnivores
 b
primary consumers, tertiary consumers
 c
sun, producers
 d
sun, primary consumers
The following food chain describes forest animals. 
Sun → Evergreen → Tick → Woodpecker → Eagle
The woodpecker in this food chain is a _____________________________. 
 a
producer
 b
primary consumer
 c
secondary consumer
 d
tertiary consumer