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