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