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WorksheetsEcology Review
Total questions: 20
Worksheet time: 7mins
Organisms that make their own food in a food web are called
Consumers
Producers
Decomposers
Omnivores
Organisms that get nutrients from dead plants/animals are called
Consumers
Producers
Decomposers
Omnivores
Organisms that must eat other organisms to get food/energy in a food web are called
Consumers
Producers
Decomposers
Omnivores
An herbivore is a type of consumer that eats _________ only. A carnivore is a type of consumer that eats _________ only.
Animals, plants
Bugs, insects
Plants, animals
Fungi, animals
How many organisms feed on grass?
4
5
2
3
What is the top predator in this food web?
Owl
Grasshopper
Caterpillar
Blue Jay
What is missing in this food web?
Consumers
Producers
Decomposers
Omnivores
The arrows in the food web represent:
The stages of the life cycle
The transfer of energy
The replacement of a community
A population overtaking another
Name an herbivore in the food web:
Grasshopper
Rabbit
Caterpillar
All of the above
The three ducks in the pond in the image represent a(n):
Organism
Population
Community
Ecosystem
All of the biotic factors in conjunction with the abiotic factors in an area is an:
Community
Organism
Ecosystem
Population
Each bird in the image feeds in a different area of the beach in order to avoid competition. These are called their
Niches
Zones
Houses
Areas
Why is biodiversity important?
To boost productivity
To increase stability
To help ecosystems recover from disasters
All of the above
In an energy pyramid, only 10% of energy is transferred up each level. Most of the energy is lost as
Sunlight
Heat
Water
Wastes
Organisms at the bottom of the energy pyramid are called
Primary consumers
Apex predators
Primary producers
Decomposers
Where do primary producers get energy from?
Consumers
Decomposers
Fungi
Sun
Primary producers, such as plants, are
Autotrophs
Heterotrophs
Consumers, such as animals, are
Autotrophs
Heterotrophs
What happens to the number of organisms as you go up the energy pyramid?
It increases
It stays the same
It decreases
It goes to zero
What kind of an impact would a drought have on an ecosystem?
Organisms would flourish
The number of plants would increase
The number of animals would increase
Organisms would die of dehydration
