Lesson T3.1.3
T3.1.3 Organisms and their environment Quiz: KS3 Biology, Unit 3
20 questions
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Lesson T3.1.3, Organisms and their environment: 20 multiple choice questions for the KS3 Biology (National Curriculum), Unit 3: Interactions and interdependencies, written with Revision Ninja.
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The 20 questions
-
What type of environmental factor is light intensity?
- Trophic
- Biotic
- Symbiotic
- Abiotic
-
What type of environmental factor is a predator?
- Biotic
- Abiotic
- Edaphic
- Climatic
-
Which abiotic factor is most likely to limit plant growth in a desert?
- Competition between animals
- Disease in insects
- Water availability
- Predator numbers
-
What happens when toxic materials accumulate along a food chain?
- Bioaccumulation
- Biodegradation
- Respiration
- Biomass loss
-
Which group of organisms is most at risk from pesticide bioaccumulation?
- Herbivores
- Decomposers
- Primary producers
- Top predators
-
Which abiotic factor limits plant growth in a shaded woodland?
- Salinity
- Light intensity
- Oxygen level
- Wind speed
-
What is the primary effect of fertiliser runoff on a lake?
- Increased clarity
- Algal bloom
- Higher fish survival
- Lower water temperature
-
What is the primary purpose of adaptations in organisms?
- Rapid physical growth
- Finding shelter only
- Survival and reproduction
- Increasing body size
-
What do large ears and low water loss help desert animals achieve?
- Better night vision
- Stronger muscle growth
- Temperature and water regulation
- Faster movement speed
-
What can a significant rise in environmental temperature alter?
- Rock mineral composition
- Earth gravitational pull
- Survival and competition
- Day length duration
-
What term describes the natural home where an organism lives?
- Community
- Ecosystem
- Population
- Habitat
-
Why does a plant shaded by a taller plant grow less well?
- Too much oxygen
- Excessive soil minerals
- Competition for light
- Rapid root absorption
-
Which of these is an interaction between two living organisms?
- Evaporation
- Predation
- Condensation
- Erosion
-
Why do plants in cold, windy climates often have small leaves?
- Attracting more insects
- Increasing pollen spread
- Reducing water loss
- Absorbing more heat
-
Which term describes the variety of organisms living in a habitat?
- Biotic index
- Biodiversity
- Abiotic factor
- Biomass
-
What term describes all populations of different species in one area?
- Community
- Producer
- Biome
- Organism
-
Why do organisms in the same habitat compete with each other?
- Limited resources
- Unlimited water supply
- Excess food supply
- Abundant space
-
Which human activities frequently harm organisms in ecosystems?
- Crop rotation and weeding
- Organic garden composting
- Solar panel installation
- Pollution and habitat destruction
-
What type of factors affect the survival of an organism?
- Magnetic and electric
- Solid and liquid
- Biotic and abiotic
- Kinetic and thermal
-
How do organisms in a food chain obtain their energy?
- Created internally
- Absorbed from rocks
- From the environment
- Generated by bones
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