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