Which of the following statements is true?
Humans that prepare their own meals are producers.
Consumers depend upon producers for food.
A producer usually obtains food by hunting other organisms.
A consumer always eats other animals.
Consumers depend upon producers for food.
The image below shows an aquatic food chain. Which of the following describes how energy is transferred between the fish larve and the small fish?
Energy is transferred from the small fish to the fish larve.
Energy is transferred from the fish larve to the small fish.
The fish larve and the small fish both transfer energy to each other.
Energy is not transferred between the small fish and the fish larve.
Energy is transferred from the fish larvae to the small fish.
Which of the following is a limitation of models?
Sometimes models provide data when data cannot be acquired from natural objects or events.
Models usually do not have exactly the same features as the objects or events that they represent.
It is often easier to study models rather than the objects or events that they represent.
Models are often safer to study than the objects or events that they represent.