Organisation of an ecosystem key terms

biomass

biomass is a curriculum-aligned term linked to the learning objective: Explain that photosynthetic organisms are producers of biomass for life on Earth..

photosynthetic organism

In Levels of organisation, photosynthetic organism means photosynthetic organism is a curriculum-aligned term linked to the learning objective: Explain that photosynthetic organisms are producers of biomass for life on Earth. This matters in Organisation of an ecosystem because it supports the learning objective to explain that photosynthetic organisms are producers of biomass for life on Earth. Use photosynthetic organism only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

food chain

food chain is a curriculum-aligned term linked to the learning objective: Describe feeding relationships in a community using food chains..

Describe

In Levels of organisation, Describe means describe is a curriculum-aligned term linked to the learning objective: Describe feeding relationships in a community using food chains. This matters in Organisation of an ecosystem because it supports the learning objective to describe feeding relationships in a community using food chains. Use Describe only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

producer

producer is a curriculum-aligned term linked to the learning objective: Identify producers as organisms, usually green plants or algae, that make glucose by photosynthesis..

Identify

In Levels of organisation, Identify means identify is a curriculum-aligned term linked to the learning objective: Identify producers as organisms, usually green plants or algae, that make glucose by photosynthesis. This matters in Organisation of an ecosystem because it supports the learning objective to identify producers as organisms, usually green plants or algae, that make glucose by photosynthesis. Use Identify only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

food chain

food chain is a curriculum-aligned term linked to the learning objective: Describe primary, secondary, and tertiary consumers in food chains..

tertiary consumer

In Levels of organisation, tertiary consumer means tertiary consumer is a curriculum-aligned term linked to the learning objective: Describe primary, secondary, and tertiary consumers in food chains. This matters in Organisation of an ecosystem because it supports the learning objective to describe primary, secondary, and tertiary consumers in food chains. Use tertiary consumer only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

predator

predator is a curriculum-aligned term linked to the learning objective: Define predators as animals that kill and eat prey..

prey

In Levels of organisation, prey means prey is a curriculum-aligned term linked to the learning objective: Define predators as animals that kill and eat prey. This matters in Organisation of an ecosystem because it supports the learning objective to define predators as animals that kill and eat prey. Use prey only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

predator

predator is a curriculum-aligned term linked to the learning objective: Explain why predator and prey numbers can rise and fall in cycles in a stable community..

prey

In Levels of organisation, prey means prey is a curriculum-aligned term linked to the learning objective: Explain why predator and prey numbers can rise and fall in cycles in a stable community. This matters in Organisation of an ecosystem because it supports the learning objective to explain why predator and prey numbers can rise and fall in cycles in a stable community. Use prey only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

graph

graph is a curriculum-aligned term linked to the learning objective: Interpret graphs used to model predator-prey cycles..

mode

mode is a curriculum-aligned term linked to the learning objective: Interpret graphs used to model predator-prey cycles..

abundance

abundance is a curriculum-aligned term linked to the learning objective: Describe how quadrats can be used to estimate abundance of a species in a habitat..

quadrat

In Levels of organisation, quadrat means quadrat is a curriculum-aligned term linked to the learning objective: Describe how quadrats can be used to estimate abundance of a species in a habitat. This matters in Organisation of an ecosystem because it supports the learning objective to describe how quadrats can be used to estimate abundance of a species in a habitat. Use quadrat only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

distribution

distribution is a curriculum-aligned term linked to the learning objective: Describe how transects can be used to investigate how distribution changes across a habitat..

transect

In Levels of organisation, transect means transect is a curriculum-aligned term linked to the learning objective: Describe how transects can be used to investigate how distribution changes across a habitat. This matters in Organisation of an ecosystem because it supports the learning objective to describe how transects can be used to investigate how distribution changes across a habitat. Use transect only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

abundance

abundance is a curriculum-aligned term linked to the learning objective: Explain why ecologists use sampling methods to estimate distribution and abundance..

distribution

In Levels of organisation, distribution means distribution is a curriculum-aligned term linked to the learning objective: Explain why ecologists use sampling methods to estimate distribution and abundance. This matters in Organisation of an ecosystem because it supports the learning objective to explain why ecologists use sampling methods to estimate distribution and abundance. Use distribution only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

abundance

abundance is a curriculum-aligned term linked to the learning objective: Understand mean, mode, and median in relation to abundance data..

mean

In Levels of organisation, mean means mean is a curriculum-aligned term linked to the learning objective: Understand mean, mode, and median in relation to abundance data. This matters in Organisation of an ecosystem because it supports the learning objective to understand mean, mode, and median in relation to abundance data. Use mean only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

mean

mean is a curriculum-aligned term linked to the learning objective: Calculate arithmetic means from ecological sampling data..

Calculate

In Levels of organisation, Calculate means calculate is a curriculum-aligned term linked to the learning objective: Calculate arithmetic means from ecological sampling data. This matters in Organisation of an ecosystem because it supports the learning objective to calculate arithmetic means from ecological sampling data. Use Calculate only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

graph

graph is a curriculum-aligned term linked to the learning objective: Plot and draw appropriate graphs for ecological data, selecting suitable axis scales..

appropriate

In Levels of organisation, appropriate means appropriate is a curriculum-aligned term linked to the learning objective: Plot and draw appropriate graphs for ecological data, selecting suitable axis scales. This matters in Organisation of an ecosystem because it supports the learning objective to plot and draw appropriate graphs for ecological data, selecting suitable axis scales. Use appropriate only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

required practical 9

required practical 9 is a curriculum-aligned term linked to the learning objective: Carry out required practical 9 by measuring population size of a common species in a habitat..

Carry

In Levels of organisation, Carry means carry is a curriculum-aligned term linked to the learning objective: Carry out required practical 9 by measuring population size of a common species in a habitat. This matters in Organisation of an ecosystem because it supports the learning objective to carry out required practical 9 by measuring population size of a common species in a habitat. Use Carry only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

distribution

distribution is a curriculum-aligned term linked to the learning objective: Use sampling techniques to investigate how a factor affects the distribution of a species..

sampling

In Levels of organisation, sampling means sampling is a curriculum-aligned term linked to the learning objective: Use sampling techniques to investigate how a factor affects the distribution of a species. This matters in Organisation of an ecosystem because it supports the learning objective to use sampling techniques to investigate how a factor affects the distribution of a species. Use sampling only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.