A food chain shows how each living thing gets food, and how nutrients and energy passes on from creature to creature, or from environment to creature.
15
All food chains start with energy from __________. This energy is captured by __________. Thus the living part of a food chain always starts with __________ and ends with __________.
the sun; plants; plant life; an animal
20
What is the difference between a food chain and a food web?
Food chain: a basic structure showing the flow of nutrients / energy from one trophic level to another. Food web: a collection of food chains in an ecosystem.
20
Why are plants called producers?
This is because they produce energy for the ecosystem. They do this because they absorb energy from sunlight through photosynthesis.
15
In the food chain 'grass → grasshopper → frog → snake → eagle', what organism is the primary consumer?
Grasshopper
5
Which of the following links of the food chain eats decaying matter?
Decomposer
10
What do we call animals that eat plants?
primary consumers / herbivores
10
What do we call animals that eat other animals?
secondary consumers / carnivores
10
If a carnivore eats another carnivore, it is called _______________.
a tertiary consumer
10
What do we call animals that eat both plants and animals?
omnivores
5
Build a food chain: a deer, a mountain lion, grass, the sun
The grass uses energy from the sun to grow; the deer eats the grass; then, the mountain lion eats the deer.
10
Build a food chain: a fly, a snake, a frog, a hawk
The frog eats the fly; the snake eats the frog; then, the snake is eaten by a hawk.