do now – level 0 emi 402. what is symbiosis? what it means: two organisms of different species...
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Do Now – Level 0
EMI 402
What is symbiosis?
What it means: •Two organisms of different species that live together•At least one of the organisms benefits from the relationship
Literal definition: the act of living together
What are the 3 different kinds of symbiosis?
Mutualism Parasitism
Commensalimboth
organisms benefit
one organism benefits
one organism benefits
one organism
is unaffecte
d
one organism
is harmed
MutualismMutualism A symbiotic A symbiotic
relationship in relationship in which which bothboth species benefit species benefit is called is called mutualismmutualism..
This little fish is helping me by cleaning my teeth!!! Yeah!!!
I’m eating the big fish’s food so he’s helping me too! Yeah!!!
Moray Eel with Cleaner Fish
Mutualism: both benefit
Moray Eel gets a clean mouth Cleaner Fish gets a meal
Mutualism: both benefit
Antelope with OxbirdAntelope gets rid
of parasites Oxbird gets a meal
Mutualism and flowers!
Flowers provide food for insects. Insects spread the seeds of flowers. Both organisms benefit!
Commensalism CommensalismCommensalism is a symbiotic is a symbiotic
relationship in which relationship in which oneone species species benefits and the other species benefits and the other species is is neither harmed nor benefited.neither harmed nor benefited.
Yay!! “Hakuna Matata” or Whatever!
CommensalismCommensalism
In this picture, Spanish moss isgrowing on the trees. The moss benefits because it has a place to live, and the tree doesn’t care.
Commensalism: one benefits, one is unaffected
Cattle with cattle egrets
Cattle stir up insects
as they eat grass
Egrets hang
around and eat insects
Commensalism: one benefits, one is unaffected
Clown fish with Anemone
Clown fish gets
protection from larger
fish Anemone is unaffected
ParasitismParasitism A symbiotic relationship in which a
member of one species benefits and the other species is harmed is called parasitism.
Dog and Heartworm
Heartworms are a type of worm that live inside a dog’s heart. They use that space for their house, and feed off of the nutrients inside the dog’s body. This causes the dog to get very, very sick and sometimes die.
Parasitism!!!
Parasitism: one benefits, one is
harmed
Example 6: Taenia worm in human eye
Worm infects human blood
streamHuman may go
blind
ParasitismParasitism Parasites have evolved in such a way that they Parasites have evolved in such a way that they
harm, but usually do not kill the host species.harm, but usually do not kill the host species.
Tapeworms are parasites.They attach to your intestines and suck out all of your food. the tapeworm benefits, and the host is harmed because they slowly starve to death.
One of the ways to get rid of a tapeworm is to starve yourself and then place a piece of meat in front of your mouth. The tapeworm will smell the meat and climb up your throat and out of your mouth.
Guinea Worm-Another parasite!
PredationPredation
A predator is a type of consumer. Predators seek A predator is a type of consumer. Predators seek out and eat other organisms.out and eat other organisms.
Predator
Prey
Symbiosis Video
http://www.youtube.com/watch?v=uxVMeLWzB_o