20 questions
Which factors within an ecosystem are BIOTIC (living)? (Check all that apply)
Why are there arrows in food chains and food webs?
Because animals are moving to find food
The arrows are for sunlight
The arrows show the movement of energy
Who are the producers in this food web? (Choose all that apply)
Freshwater shrimp
Pondweed
Dragonfly nymph
Microscopic algae
Who are the primary consumers in this food web? (choose all that apply)
Mayfly nymph
Brown trout
Dragonfly nymph
Freshwater shrimp
Who are the secondary consumers in this food web? (choose all that apply)
Dragonfly nymph
Brown trout
Freshwater shrimp
Mayfly nymph
What two trophic levels does the brown trout occupy?
Producer
Primary Consumer
Secondary Consumer
Tertiary Consumer
What percentage of energy is available to the producers in this energy pyramid?
0.1%
10%
1%
100%
What percentage of energy is available to the primary consumers in this energy pyramid?
0.1%
10%
1%
100%
What percentage of energy is available to the secondary consumers in this energy pyramid?
0.1%
10%
1%
100%
What percentage of energy is available to the tertiary consumer in this energy pyramid?
0.1%
10%
1%
100%
Which organism would you expect to have the largest population based on this energy pyramid?
The rabbits (primary consumers)
The hawks (tertiary consumers)
The grass (producers)
The snakes (secondary consumers)
What is the Caterpillar eaten by?
Snake
Rabbit
Blue Jay
Leaves
Which organism does the Blue Jay eat?
Snake
Caterpillar
Grasshopper
Owl
Which two organisms does the Hawk consume for food?
Blue Jay and Grasshopper
Rabbit and Snake
Owl and Rabbit
If the Owl were removed from this food web, which other organisms would also decrease? (choose all that apply)
Snake
Blue Jay
Caterpillar
Grasshopper
Rabbit
If the Owl were removed from this food web, which other organisms would increase? (choose all that apply)
Snake
Blue Jay
Caterpillar
Grasshopper
Rabbit
If the Owl were removed from this food web, which other organism would stay the same? (choose all that apply)
Snake
Blue Jay
Caterpillar
Grasshopper
Rabbit
Which factors within an ecosystem are ABIOTIC (non-living)? (Check all that apply)
Which organism would you expect to have the smallest population based on this energy pyramid?
The rabbits (primary consumers)
The hawks (tertiary consumers)
The grass (producers)
The snakes (secondary consumers)
A healthy ecosystem is one that has a high level of _____________.
Tertiary consumers
Biodiversity
Decomposers
Abiotic factors