Topic 3 - Ecosystems

• A habitat is a place where an organism lives.
• Biodiversity is the variety of different species in an ecosystem.
• A food chain show the transfer of energy.
• A food web is more than one food chain interlinked.
• Cacti are adapted to survive with a thick waxy outer layer to reduce water loss.
• Giant redwoods are adapted to survive with thick bark which is resistant against forest fires.
• Polar bears are adapted to survival by having white fur to camoflauge.