Symbiosis
Living Together
Objective:
SWBAT:
• Define symbiosis.
• Identify the 4 types of symbiotic behavior.
• Re-create a habitat showing symbiotic
behavior among organisms by: first
identifying pictures and relationship signs
and secondly cutting out and linking
pictures according to symbiotic behavior.
Homework
• Complete Symbiosis
Matching Activity!
• Check blog for Spring
Break Assignment!
Homework Check
• 1. Table Leaders check to make sure that
homework is written in agendas and science
folders are on tables.
• 2. Table Coordinators check to make sure
that homework chart on back of notes are
complete.
Materials Needed for Today
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1. (2) sheets of loose-leaf paper
2. (1) pair of scissors
3. (1) glue stick
4. Yesterday’s notes
5. (1) pen
6. (1) highlighter
1.
Do 1st—Fill in Blanks in
Looseleaf!
The niche or __________ of a hawk is to
compete/cooperate for food.
2. A community is made up of ______________
populations of animals in a specific environment,
while a population is made up of the same
________________.
• A habitat provides ___________, ___________,
and _____________ so that the organism can
________, ____________, and
____________________.
Mutualism
(+/+)—What does this mean?
Cleaner Fish and the Moray Eel
• The cleaner fish eats
parasites and food
bits out of the inside
of this moray eel. It
gets a meal and is
protected from
predators by the
fierce eel.
Commensalism (+/0)—What does this
mean?
Barnacles and Whales
One species benefits while the other is unaffected
• Barnacles need a
place to anchor. They
must wait for food to
come their way. Some
barnacles hitch a ride
on unsuspecting
whales who deliver
them to a food source.
This does not affect
the whale in any way.
Parasitism
(+/-)—What does this mean?
One species benefits while the other is harmed
•
Bedbugs
Bedbugs are small,
nocturnal parasites that
come out of hiding at
night to feed on
unsuspecting
humans. They feed
exclusively on
blood! Their bites often
result in an allergic
reaction.
Tapeworms
• The definitive host of the
cucumber tapeworm is a dog or a
cat (occasionally a human). Fleas
and lice are the intermediate host.
the dog or cat becomes
contaminated when the eggs are
passed in the feces, and the flea or
louse ingests the eggs. The dog
or cat (or human) is infected
when they ingest a flea or
louse. Hence the importance of
controlling fleas on your pet!
Predator-Prey
(+/-)—What does this mean?
• What is pictured is the hawk killing a
mouse. The hawk benefits while the mouse
doesn’t.
Four Types of Symbiosis
• Mutualism (+/+)
• both species benefit
• Commensalism (+/0)
• one species benefits, the other is unaffected
• Parasitism (+/-)
• one species benefits, the other is harmed
• Predator-Prey (+/-)
• one species benefits, the other is killed
What Type of Symbiosis is This?
What is the Relationship Sign?
What Type of Symbiosis is This?
What is the Relationship Sign?
What Type of Symbiosis is This?
What is the Relationship Sign?
What Type of Symbiosis is This?
What is the Relationship Sign?
E-Ticket-Answer on loose-leaf in
complete sentences!
• What is symbiosis?
• What are the four types of symbiosis? (List
below and include the signs)
iPractice
• You have a set of pictures
that you must link to show
the correct type of symbiotic
relationships. Observe the
Teacher Example.