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