What are the physical components of an ecosystem?
Food, water, and shelter
Animals, plants, and microorganisms
Humans, animals, and plants
Sunlight, air, water, soil, and temperature
Which of the following is an example of a producer?
Giraffe
Lion
Mushroom
Grass
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
Grassland
Forest
What is the driest ecosystem on Earth?
Tundra
Rainforest
Grassland
Desert
Which of the following is an example of a primary consumer?
A bird eating a snake
A rabbit eating grass
A mushroom breaking down a tree
A wolf eating a rabbit
Which relationship benefits both species?
Mutualism
Parasitism
Commensalism
Competition
What is the coldest ecosystem on Earth?
Grassland
Tundra
Rainforest
Desert
Which of the following is an example of an artificial aquatic ecosystem?
Aquariums
Coral reefs
Lakes
Rivers
A group of organisms of the same species living together is called a _________.
Habitat
Population
Mutualism
Community
_________ forests grow near the Equator.
Deciduous
Flower
Coniferous
Tropical
A food chain starts with _________, which make their own food through photosynthesis.
Producers
Sunlight
Decomposers
Consumers
The relationship in which one species benefits while the other is harmed is called_________.
Parasitism
Carnivore
Mutualism
Commensalism
_________ ecosystems include rivers and lakes.
Desert
Marine
Freshwater
Forest
_________eat both plants and other animals.
Producers
Primary consumers
Secondary consumers
Decomposers
_________is when different species compete for the same limited resources.
Decomposers
Parasitism
Competition
Mutualism
