Transcript Symbiosis matching Activity

HERMIT CRAB AND SNAIL SHELL
The hermit crab will find an
empty snail shell and occupy it.
If it outgrows it, it will find
another.
• Mutualism, Commensalism or
Parasitism?
• Does the crab help the snail?
• Does the crab hurt the snail?
• Does the snail know the crab
has its shell?
2
PILOT FISH AND SHARK
Pilot fish usually swim near sharks or
whales . They feel protected and get
the benefit of eating leftovers from the
sharks' meals.
• Mutualism, Commensalism or
Parasitism?
• Does the pilot fish help the shark?
• Does the pilot fish hurt the shark?
• Does the shark even know the pilot
fish is there?
3
CLOWNFISH AND SEA ANEMONE
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, Commensalism or
Parasitism?
• Does the clownfish help the
anemone?
• Does the anemone help the
clownfish?
• Do they hurt each other?
4
SLOTH AND THE MOTH
Sloths are tree-dwelling, very slow
animals. A particular moth lives in
the fur of the sloth. It does not
feed on the sloth, nor lay eggs
there. However, the moth larva
(babies) feed on the sloth’s dung
(poop).
• Mutualism, Commensalism or
Parasitism?
• Does the moth help the sloth?
• Does the moth hurt the sloth?
• Does the sloth even know the
moth is there?
5
YUCCA MOTH AND YUCCA
The female moth gathers pollen
and packs it into a ball, the flies
to another plant to deposit the
pollen ball into the ovary, then
lays one or two eggs in the ovary.
The seeds develop and the larva
food on the seeds, but many are
left over to grow into a new yucca
plant.
• Mutualism, Commensalism or
Parasitism?
• Does the moth help the yucca
plant?
• Does the yucca plant help the
moth?
• Do they hurt each other?
6
TICK AND THE DOG
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.
• Mutualism, Commensalism
or Parasitism?
• Does the tick help the dog?
• Does the tick hurt the dog?
• Does the dog know the tick
is there?
7
LUNGWORMS AND BIGHORN SHEEP
The lungworms live in the lungs
of bighorn sheep, causing them
to be sick and even die.
• Mutualism, Commensalism or
Parasitism?
• Do the lungworms help the
sheep?
• Do the lungworms hurt the
sheep?
• Does the sheep know the
worms are there?
8
OXPECKER AND RHINOCEROS
The oxpecker is a bird which lives in
Africa and is often seen perching on the
backs of Africa game (big animals). It
feeds on the ticks and blood-sucking flies
that bother the host animals.
• Mutualism, Commensalism or
Parasitism?
• Does the oxpecker help the
rhinoceros?
• Do the rhinoceros help the oxpecker?
• Do they hurt each other?
9
BARNACLES AND WHALES
Barnacles attach themselves
to whales and ride along,
gathering food with their
tentacles. They do not harm
the whales.
• Mutualism, Commensalism
or Parasitism?
• Do the barnacles help the
whales?
• Do the barnacles hurt the
whales?
• Does the whales know the
barnacles are there?
10
ICHNEUMON WASPS AND OTHER INSECTS
Ichneumon wasps lay their own eggs
inside the eggs or larvae of other
insects. Once hatched, the larvae of
the ichneumon wasps feed on the
other insect’s eggs or larvae.
• Mutualism, Commensalism or
Parasitism?
• Does the wasp help the insect?
• Does the wasp hurt the insect?
• Does the insect know the wasp is
there?
11
MISTLETOE AND OAK TREES
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.
• Mutualism, Commensalism or
Parasitism?
• Does the mistletoe help the
tree?
• Does the mistletoe hurt the
tree?
• Does the tree know the
mistletoe is there?
12
TERMITES AND PROTOZOA
Small organism called protozoa live
inside the digestive tract of termites.
Termites eat wood, which they
cannot digest. The protozoa digest
the wood for the termite and for
themselves?
• Mutualism, Commensalism or
Parasitism?
• Does the protozoa help the
termite?
• Does the termite help the
protozoa?
• Do they hurt each other?
13
ANT AND THE APHID
Aphids feed on plants and give off
a sugary substance, called
honeydew, that ants like. Ants
take care of aphids and protect
them in order to keep getting the
honeydew.
• Mutualism, Commensalism or
Parasitism?
• Does the ant help the aphid?
• Does the aphid help the ant?
• Do they hurt each other?
14
BACTERIA AND COW
Bacteria live in the stomach of the
cow and digest the grass and plant
material that the cow eats. The cow
cannot digest the plant material
without the help of the bacteria.
• Mutualism, Commensalism or
Parasitism?
• Does the bacteria help the cow?
• Does the cow help the bacteria?
• Do they hurt each other?
15