WorksheetsEcosystems and Energy Flow — Multiple Choice Questions
Total questions: 24
Worksheet time: 12mins
Multiple Choice Questions — Select the best answer for each question. A biome is:
A single plant in an ecosystem
A large region with a specific climate and certain types of living things
A small habitat within a forest
A group of decomposers living together
Multiple Choice Questions — Select the best answer for each question. Producers are organisms that:
Eat other animals
Break down dead materials
Make their own food using sunlight
Absorb nutrients from the soil
Multiple Choice Questions — Select the best answer for each question. Decomposers are important because they:
Produce oxygen for plants
Break down dead plants and animals
Hunt for food in the ecosystem
Use sunlight to make food
Multiple Choice Questions — Select the best answer for each question. Deforestation means:
Cutting down large areas of trees
Planting new trees in a forest
Adding animals to a new area
Cleaning pollution from a forest
Multiple Choice Questions — Select the best answer for each question. An aquatic biome is one that:
Has very cold temperatures
Is mostly covered by water
Has many trees that lose leaves
Has very little rainfall
Multiple Choice Questions — Select the best answer for each question. The tundra biome is known for:
Warm weather and heavy rainfall
Frozen soil called permafrost
Thick forests of tall trees
Sandy soil and hot days
Multiple Choice Questions — Select the best answer for each question. A coniferous forest mostly has trees that:
Lose their leaves each fall
Grow in deserts
Have needles and produce cones
Grow only near water
Multiple Choice Questions — Select the best answer for each question. A deciduous forest is made up of trees that:
Stay green all year
Lose their leaves in winter
Grow only in the desert
Need salty water to survive
Multiple Choice Questions — Select the best answer for each question. The rain forest biome is known for:
Little rainfall and few plants
High rainfall and many species
Cold temperatures
Dry air and sandy soil
Multiple Choice Questions — Select the best answer for each question. A desert has:
High rainfall and humidity
Very little precipitation
Many lakes and rivers
Thick forests
Multiple Choice Questions — Select the best answer for each question. Grasslands are biomes that have:
Mostly trees and little grass
Large open areas covered with grasses
Ice and snow all year
Many mountains and rivers
Multiple Choice Questions — Select the best answer for each question. A food chain shows:
How energy moves from one organism to another
How rain falls to the ground
The movement of water underground
How animals migrate
Multiple Choice Questions — Select the best answer for each question. Precipitation is part of the water cycle that involves:
Water turning into vapor
Clouds forming
Water falling to the ground as rain or snow
The sun heating water
Multiple Choice Questions — Select the best answer for each question. An omnivore is an animal that eats:
Only plants
Only meat
Both plants and animals
Dead organisms
Multiple Choice Questions — Select the best answer for each question. A food web is:
A single line showing energy flow
A group of connected food chains in an ecosystem
The process of evaporation
A type of biome
Multiple Choice Questions — Select the best answer for each question. Permafrost is:
Permanently frozen soil
Melted ice in the tundra
A layer of warm sand
Nutrient-rich soil in the rain forest
Multiple Choice Questions — Select the best answer for each question. A herbivore is an animal that eats:
Only meat
Plants only
Both plants and animals
Dead materials
Multiple Choice Questions — Select the best answer for each question. Nitrogen fixation is the process where:
Plants turn sunlight into food
Animals produce nitrogen
Bacteria convert nitrogen gas into a form plants can use
Humans add nitrogen to the soil
Multiple Choice Questions — Select the best answer for each question. A carnivore eats:
Only plants
Only meat
Both plants and meat
Decomposers
Multiple Choice Questions — Select the best answer for each question. Condensation happens when:
Water vapor cools and forms clouds
Water turns into vapor
Rain falls to the ground
Ice melts into water
Multiple Choice Questions — Select the best answer for each question. A consumer is an organism that:
Makes its own food
Breaks down waste
Eats other organisms for energy
Produces oxygen
Multiple Choice Questions — Select the best answer for each question. Evaporation occurs when:
Water vapor turns into liquid
Water changes from liquid to gas
Ice forms on cold surfaces
Clouds release rain
Multiple Choice Questions — Select the best answer for each question. Dispersal is the movement of:
Energy between trophic levels
Seeds or organisms to new locations
Clouds in the atmosphere
Nutrients into the soil
Multiple Choice Questions — Select the best answer for each question. What would happen to other organisms if all the producers in an ecosystem disappeared?
Nothing would change
Only decomposers would survive
Consumers would lose their main energy source and die out
The ecosystem would become healthier
