Something an organism requires for survival.
A need
Competition
It is used to describe a close relationship between organisms of different species.
Symbiosis
Resource
The movement of energy within an ecocsystem.
Balance
Energy flow
The main source of energy:
The sun
The ocean
The plants make their own food that is why they are also called:
Carnivorous
Producers
The introduction of poisons or garbage into an ecosystem:
Pollution
Deforestation
The protection and restoration of species and natural resources in an ecosystem:
Captive breeding
Conservation
An organisms needs are met by what two types of resources?
Living and Non-living things
Food web
Select the ideas to keep the balance in an ecosystem.
a) Throwing grabage to the ground. b) Do not recycling. c) Killing the animals
a) Recycling b) Planting trees. c) Protecting the animals
The removal of most or all the trees from a forest:
Foreign species
