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