Which of the following is an example of a producer?
Lion
Mushroom
Giraffe
Grass
_________ ecosystems include rivers and lakes.
Forest
Marine
Freshwater
Desert
he open ocean is part of a_________ecosystem.
Freshwater
Marine
Terrestrial
Artificial
Which is NOT a type of terrestrial ecosystem?
Grassland
Ocean
Desert
Forest
A community is a place where a particular plant or animal lives.
True
False
A group of organisms of the same species living together is called a _________.
Community
Population
Mutualism
Habitat
_________ forests grow near the Equator.
Deciduous
Flower
Tropical
Coniferous
_________is made of interconnected food chains in an ecosystem.
A food web
A community
A population
A habitat
An ecosystem includes only living organisms such as plants and animals.
True
False.
Biodiversity refers to the variety of living things in an ecosystem.
True
False
Artificial ecosystems are man-made, such as aquariums, greenhouses, and urban areas.
False
True
A food chain starts with _________, which make their own food through photosynthesis.
Producers
Consumers
Sunlight
Decomposers
What is the role of decomposers in an ecosystem?
They eat only plants
They break down dead organic matter
They produce their own food
They hunt other animals
The relationship in which one species benefits while the other is harmed is called_________.
Mutualism
Parasitism
Carnivore
Commensalism
A food chain shows how energy moves through an ecosystem from producers to consumers.
False
True
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
The desert ecosystem has a lot of water and dense vegetation.
True
False
Which of the following is an example of an artificial aquatic ecosystem?
Rivers
Coral reefs
Aquariums
Lakes
What is the driest ecosystem on Earth?
Tundra
Rainforest
Desert
Grassland
_________is when different species compete for the same limited resources.
Competition
Decomposers
Parasitism
Mutualism
Which relationship benefits both species?
Parasitism
Competition
Mutualism
Commensalism
_________eat both plants and other animals.
Secondary consumers
Primary consumers
Producers
Decomposers
Mutualism is a relationship in which one species benefits while the other is harmed.
True
False
What are the physical components of an ecosystem?
Animals, plants, and microorganisms
Sunlight, air, water, soil, and temperature
Food, water, and shelter
Humans, animals, and plants
Forests, tundras, and grasslands are types of aquatic ecosystems.
True
False
What is the coldest ecosystem on Earth?
Tundra
Desert
Rainforest
Grassland
Decomposers break down dead organic matter, such as dead plants and animals.
False
True
_________break down dead plants and animals, returning nutrients to the environment.
Consumers
Decomposers
Producers
Omnivores
Tertiary consumers only eat plants.
True
False