What are the physical components of an ecosystem?
Humans, animals, and plants
Animals, plants, and microorganisms
Food, water, and shelter
Sunlight, air, water, soil, and temperature
Which of the following is an example of a producer?
Lion
Giraffe
Grass
Mushroom
What is the role of decomposers in an ecosystem?
They eat only plants
They produce their own food
They break down dead organic matter
They hunt other animals
Which is NOT a type of terrestrial ecosystem?
Forest
Desert
Ocean
Grassland
What is the driest ecosystem on Earth?
Grassland
Rainforest
Tundra
Desert
Which of the following is an example of a primary consumer?
A wolf eating a rabbit
A mushroom breaking down a tree
A bird eating a snake
A rabbit eating grass
Which relationship benefits both species?
Mutualism
Parasitism
Competition
Commensalism
What is the coldest ecosystem on Earth?
Rainforest
Grassland
Desert
Tundra
Which of the following is an example of an artificial aquatic ecosystem?
Lakes
Rivers
Coral reefs
Aquariums
A group of organisms of the same species living together is called a _________.
Mutualism
Habitat
Community
Population
_________ forests grow near the Equator.
Tropical
Coniferous
Flower
Deciduous
A food chain starts with _________, which make their own food through photosynthesis.
Decomposers
Producers
Sunlight
Consumers
The relationship in which one species benefits while the other is harmed is called_________.
Carnivore
Parasitism
Commensalism
Mutualism
_________ ecosystems include rivers and lakes.
Marine
Forest
Desert
Freshwater
_________eat both plants and other animals.
Decomposers
Secondary consumers
Primary consumers
Producers
_________is when different species compete for the same limited resources.
Decomposers
Mutualism
Competition
Parasitism
