SYMBIOSIS

Mutualism, Commensalism, Parasitism

100

The hermit crab will find an empty snail shell and occupy it. If it outgrows it, it will find another.

Commensalism

200

Pilot fish usually swim near sharks or whales . They feel protected and get the benefit of eating leftovers from the sharks' meals.

Commensalism

300

Sea anemones have stinging tentacles. Clownfish are not harmed by the tentacles but live among the tentacles. The clownfish gets food when other fish are torn up by the tentacles. The sea anemone is protected from predators that the clownfish chases away.

Mutualism

400

Ticks attach to the skin of dogs and other furry creatures and suck blood. They drop off to digest the meal and later find another host to attach to

Parasitism

500

Mistletoe, a green sprig, grows on oak trees. It will obtain support and food from the tree. Trees with lots of mistletoe growing on them are often weakened by the mistletoe

Parasitism

Consumer, Producer, Decomposer

100

Bacteria

Decomposer

200

Whale

Consumer

300

Spinach

Producer

400

Fungus

Decomposer

500

Lion

Consumer

Vocabulary p 198-199

100

All living organisms and their environment

ecosystem

200

Each living member in an ecosystem

individual

300

An organism's specific job

niche

400

A place to live

habitat

500

All the species that live in a particular ecosystem

community