Check out this BrainPop on symbiosis:  Symbiosis

Assignment 1: 

Use this format to compare and contrast symbiotic relationships.

The relationships are SIMILAR because:

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The relationships are DIFFERENT because:

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Assignment 2: 

Symbiotic Relationships Worksheet

There are 3 basic types of symbiosis. Don’t forget that symbiosis is the relationship between two organisms of different species that benefits one or both organisms.

M- Mutualism- a symbiotic relationship that benefits both organisms involved.

C- Commensalism- a symbiotic relationship that benefits one organism and the other is not helped or harmed.

P- Parasitism- a symbiotic relationship that benefits one organism and the other is harmed.

Directions: Put the letter (M,C,P) by the statement that best describes the type of symbiosis.

____ 1. A tick living on a dog.

____ 2. The honeyguide bird leading the honey badger to the bees hive, both eat the honey.

____ 3. A tapeworm living in a 8^th grade student’s intestines.

____ 4. A bird building their nest in a tree.

____ 5. The hermit crab carrying the sea anemone on its back.

____ 6. The bristle worm eats the parasites on the hermit crab while living in its shell.  

____ 7. Head lice living on a human scalp.

____ 8. Mistletoe putting its roots into its host tree.

____ 9. The ants and the acacia tree living together and both receiving benefit.

____10. The egret, an insect-eating bird, graze near some herbivores mouth.

____11. Orchids growing in tall tropical trees, the trees are not harmed but the orchids get sunlight.

____12. Bacteria living on a humans skin, getting nutrients from the skin, while protecting humans from worse organisms.

____13. The remora hitching a ride on a shark.

____14. Barnacles living on a whale.

____15. Bees and a flower.

____16. Bacteria living in the intestines of a cow to help it break down cellulose.

____17. The clownfish and the sea anemone.

____18. A 8th grader and their pet.

____19. The Rhino and the tick bird.

____20. The lichen- a close relationship of a fungus and an alga that benefits both.