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