2. Oceans Flashcards
Maori creation myth
In the beginning Ranginui (the sky) and Papatūānuku (the earth) were joined together, and their children were born between them in darkness. The children decided to separate their parents, to allow light to come into the world. After this, the children became gods of various parts of the natural world.
Food chain
How energy and nutrients move through an ecosystem
Arrows point to who eats the previous organism. (cara)
Food webs
All the food chains in a single ecosystem
Arrows point to who eats the previous organism. (cara)
Ecosystem
Different organisms interacting with each other
Habitat
The place an organism lives that contains all the things it needs to survive
Abiotic
Non-living parts of a habitat e.g., temperature, water, sun
Biotic
Living parts of a habitat e.g., animals, plants
Adaptations
When a species evolves (takes years) characters that enable it to survive in a particular habitat.
2 types of Adaptations
Physical, Behavioural
Physical Adaptations
A changing feature of a living thing that helps it to survive in a particular environment.
Behavioural Adaptations
A thing that a living thing does to survive in a particular environment such as the way they feed, breed or move.
3 Sustainable fishing methods
Traps, Harpoons, Hook
Bycatch
Extra fish that is unwanted and gets killed disrupting the ecosystem.
What is sustainable fishing? (not methods)
Being able to catch fish without harming future generations.
How do plastics kill sea creatures?
Plastic makes sea animals think they are full, so they starve to death.
