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