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