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