WorksheetsEcosystem Vocabulary Test
Total questions: 24
Worksheet time: 15mins
In an ecosystem, which term describes living things such as plants, animals, fungi, and bacteria?
Nonliving components of habitats
Biotic factors in ecosystems
Physical conditions like temperature
Abiotic factors in the environment
Which example is an abiotic factor in a river ecosystem?
Algae growing on rocks
Fish swimming upstream
Insects on plant stems
Rocks along the riverbed
A student lists grass, rabbits, mushrooms, and bacteria. What do all of these have in common?
They are examples of temperature changes
They are nonliving physical conditions
They are biotic, meaning they are living
They are abiotic parts of ecosystems
Which statement best defines habitat?
A location where an organism finds food and shelter
The job an organism performs in a community
Interactions among species across a continent
All living and nonliving factors in a region
Which example best illustrates an ecosystem?
A pond with plants, fish, water, sunlight, and soil
A flock of geese migrating in autumn
A single tree growing in a backyard
A hollow log used by a rabbit for resting
Which organism is a producer in an ecosystem?
A hawk eating rabbits and mice
A mouse feeding on seeds and insects
A snake hunting small mammals
A green plant making its own food
Which statement best describes a consumer in an ecosystem?
An organism that decomposes dead matter for nutrients
An organism that stores energy in stems and leaves
An organism that cannot make food and eats living things
An organism that makes its own food from sunlight
A deer eats leaves and grasses. What type of consumer is the deer?
Producer that makes its own food
Omnivore that eats plants and animals
Herbivore that eats only plants
Carnivore that eats only animals
Which choice correctly defines an omnivore?
Consumer that eats only plants
Consumer that eats only animals
Consumer that eats both plants and animals
Producer that uses photosynthesis to make food
A raccoon eats berries, insects, and small fish. Based on its diet, how should it be classified?
Herbivore because it eats only plants
Carnivore because it eats only animals
Producer because it makes its own food
Omnivore because it eats plants and animals
Which phrase best defines a carnivore?
Organism that makes food using sunlight
Consumer that eats plants and animals equally
Consumer that mostly eats plant material
Consumer that only eats other animals
In a forest, mushrooms break down a fallen deer and release nutrients into the soil. What role are the mushrooms performing?
Decomposer breaking down dead organisms
Producer creating food from sunlight
Carnivore hunting living animals
Scavenger storing energy in tissues
A tiger rests in grasslands. Based on diet, how is the tiger classified?
Omnivore that eats plants and animals
Detritivore that eats dead matter
Herbivore that eats only plants
Carnivore that eats only animals
Which statement best defines conservation in ecosystems?
Using resources as quickly as possible for profit
Preserving and protecting an ecosystem or resource
Ignoring natural areas to avoid disturbing wildlife
Changing habitats to fit human construction needs
Which situation most clearly shows pollution affecting an ecosystem?
Planting native trees to restore a forest habitat
Smoke and waste from factories harming air and organisms
Protecting rivers by limiting water use
Recycling paper to reduce landfill waste
Which statement best defines deforestation as shown in the image?
Selective pruning to improve forest health
Temporary clearing of leaves during autumn
Natural tree growth increasing forest coverage
Large-scale removal of trees to create farmland
What makes a species invasive in an ecosystem?
Rare and protected by conservation laws
Native to the region and fully harmless
Foreign to the area and causing ecosystem harm
Domesticated for agriculture and human use
Overgrazing occurs when livestock do what?
Eat too many plants in the same area
Avoid eating young seedlings and shoots
Move seasonally to fresh grazing lands
Eat a balanced mix of pasture plants
Which statement best defines overpopulation in an ecosystem?
Too many of a species in an area
Too few organisms to survive winter
Normal growth without resource limits
Balanced numbers across all habitats
What is a disease in living organisms?
A population increase due to extra births
A temporary rest period after feeding
A routine change that improves body health
A condition that interferes with normal functioning
What is a BIOTIC factor?
Nonliving
Living
What is an ABIOTIC factor?
Nonliving
Living
What is a food web?
A system of food chains showing different ways energy moves through an ecosystem.
Anything from nature that people can use.
A species that is foreign to an area and causes harm disrupting the stable web of life.
A place where an organism lives and can find everything it needs to survive.
What is a natural resource?
A system of food chains showing different ways energy moves through an ecosystem.
Anything from nature that people can use.
A species that is foreign to an area and causes harm disrupting the stable web of life.
A place where an organism lives and can find everything it needs to survive.
