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?
Lion
Grass
Giraffe
Mushroom
What is the role of decomposers in an ecosystem?
They break down dead organic matter
They hunt other animals
They produce their own food
They eat only plants
Which is NOT a type of terrestrial ecosystem?
Grassland
Ocean
Desert
Forest
What is the driest ecosystem on Earth?
Desert
Grassland
Tundra
Rainforest
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?
Commensalism
Competition
Mutualism
Parasitism
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 _________.
Mutualism
Population
Community
Habitat
_________ forests grow near the Equator.
Deciduous
Flower
Coniferous
Tropical
A food chain starts with _________, which make their own food through photosynthesis.
Producers
Consumers
Sunlight
Decomposers
The relationship in which one species benefits while the other is harmed is called_________.
Carnivore
Commensalism
Parasitism
Mutualism
_________ ecosystems include rivers and lakes.
Desert
Marine
Freshwater
Forest
_________eat both plants and other animals.
Primary consumers
Decomposers
Producers
Secondary consumers
_________is when different species compete for the same limited resources.
Mutualism
Competition
Parasitism
Decomposers
