Year 9 Ecosystems and Adaptations Revision
Topic
Living things
are dependent
on their
environment
(2.1 and 2.3)
Key Vocabulary
Biosphere
Population
Ecosystem
Abiotic
Biotic
Food Webs and
Food Chains
Herbivore:
Carnivore:
Omnivore:
Food web
Food chain
Name _______________________
Revision notes
Year 9 Ecosystems and Adaptations Revision
Trophic Levels
Trophic
level
Producers
Primary
Consumers
Secondary
Consumers
Tertiary
Consumers
Apex
predators
Name _______________________
Definition
Examples
Year 9 Ecosystems and Adaptations Revision
Decomposers
Relationships
between
organisms (2.2)
Within the same species
-Collaboration:
-Mating:
Between Different species
Symbiotic Relationships
-Mutualism:
-Commensalism:
-Parasitism:
Non-Symbiotic Relationships
-Predator/Prey
Name _______________________
Year 9 Ecosystems and Adaptations Revision
-Competition
Addition and
removal of
species in an
ecosystem (2.4)
Addition of a species (Introduced/ invasive species)
Removal (Migration/Extinction)
Energy enters
the ecosystem
through
Photosynthesis
(2.5)
Photosynthesis
Name _______________________
Year 9 Ecosystems and Adaptations Revision
Chemical and Worded Equation for photosynthesis:
Energy flows
through an
ecosystem (2.6)
Energy
Energy Transformation
Waste Energy (Heat)
Cellular Respiration
Adaptations
Behavioural Adaptation
Refer to
Adaptations
Physiological Adaptation
Name _______________________
Year 9 Ecosystems and Adaptations Revision
worksheet from
class
Structural Adaptation
Name _______________________