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Daily TAKS Connection: Interactions Among Organisms. BIO (12): The student knows that interdependence and interactions occur within an ecosystem. The student is expected to: (B) interpret interactions among organisms exhibiting predation, parasitism, commensalism, and mutualism.

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Daily TAKS Connection:Interactions Among Organisms

BIO (12): The student knows that interdependence and interactions occur within an ecosystem. The student is expected to:

(B) interpret interactions among organisms exhibiting predation, parasitism, commensalism, and mutualism


Day 1 l.jpg

Construct a four door, shutter fold foldable

Materials:

Foldable handout

Scissors

Pen

Colored pencils/crayons

Instructions:

Fold the paper along the solid fold lines (front side facing you)

Cut the paper along the dashed lines

Record your name, date and period on the reverse

Color the 4 terms (predation, parasitism, commensalism, and mutualism) each a different color

Day 1


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Day 1 notes

Record the notes from under the appropriate door on your foldable

  • Mutualism: A relationship in which both organisms benefit from the relationship.

    • Example: Clown Fish & Sea Anemone – the fish receives protection from enemies and the anemone receives scraps of leftover food from the fish

  • Commensalism: A relationship in which one organism benefits, and the other is neither helped nor harmed

    • Example: Egret & Rhino – the bird receives protection from predators by its proximity to the rhino and the rhino is neither helped nor harmed


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Day 2 notes continued…

  • Parasitism: A relationship in which one organism, who lives on another, benefits, and the other organism is harmed.

    • Example: Fleas & Dog – the fleas gain nourishment from the dog and the dog itches from the bite

  • Predation: A relationship in which one organism benefits (the predator) and the other organism is killed/consumed (the prey)

    • Example: Lion & Zebra/Rabbit & Lettuce – the lion eats the zebra; the rabbit eats the lettuce


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Question 1

Which situation best represents a parasitic relationship?

a. A tapeworm absorbing nutrients from the intestine of a dog

b. An orchid being pollinated by a nectar collecting wasp

c. A bear eating a berry

d. An armadillo rooting in the soil at the base of an oak tree


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Question 2

Which situation best represents a commensalistic relationship?

a. A tapeworm absorbing nutrients from the intestine of a dog

b. An orchid being pollinated by a nectar collecting wasp

c. A bear eating a berry

d. A bird builds a nest in a tree.


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Question 3

Which situation best represents a predator/prey relationship?

a. A tapeworm absorbing nutrients from the intestine of a dog

b. An orchid being pollinated by a nectar collecting wasp

c. A bear eating a berry

d. An armadillo rooting in the soil at the base of an oak tree


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Question 4

Which situation best represents a mutualistic relationship?

a. A tapeworm absorbing nutrients from the intestine of a dog

b. An orchid being pollinated by a nectar collecting wasp

c. A bear eating a berry

d. A student eating a hamburger


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