Why Cant We All Just Get Along? Objective: To explain the types of relationships that exist between organisms Bell work: Define the following terms in your own words: 1. Competition: To fight for a resource 2. Predator: The organism that hunts 3. Prey: The organism that gets eaten Getting Nerdy, Predation: interaction where one organism (predator) kills another organism for food (prey)
Getting Nerdy, Competition: struggle between organisms to survive as they attempt to use the same limited resource Getting Nerdy, Limiting Factors of Ecosystems Limiting factor: an environmental condition or resource that limits the size of a population of organisms. What are examples of limiting factors? -Food -Water -Weather
-Accidents -Natural Catastrophe -Disease -Predators -Space/Habitat -Mate -Competition The largest population an area can support is its carrying capacity which is driven by limiting factors. Getting Nerdy, Interactions of Living Things Symbiosis: close relationship created between two species due to coevolution (species evolve together in their environment). The relationship must benefit at least one of the species.
= Getting Nerdy, OR ? There are three types of symbiotic relationships: Mutualism (+,+): relationship where both species benefit Clownfish & Sea Anemone Getting Nerdy,
Buffalo & Tickbird Bumblebee & Flowers Commensalism (+,0): relationship where one species benefits and the other species is neither helped nor harmed Shark & Remora Spanish Moss & Trees Getting Nerdy, Elephant & Egret Parasitism (+,-): relationship where one species benefits
(parasite) while the other is harmed (host) Ticks & Mammals Getting Nerdy, Cuckoo Bird & Bird Nests Mosquitoes & Mammals Wanted: Symbiotic Relationship Apply Within! Getting Nerdy, What You Do:
Create a classified advertisement/want ad for a job opening in which an organism in a symbiotic relationship is looking for the other organism. The ad should be based on a mutualistic, parasitic, or commensalistic relationship. Headline describing job Create a catchy headline to grab attention. Write a line describing the relationship you are seeking (mutualistic, parasitic, commensalistic), a line about who you are and the qualities you possess, a line about the type of organism you need for the job (Qualifications), a line about why you need this service, and a line describing what you will give the organism in return for his or her services. Picture accompanying advertisement: A picture showing you, the organism in search of the other organism. A picture showing the organism of which you are searching. A picture showing the two of you together in your symbiotic relationship - can be hand-drawn. Must be neat and colorful
Materials to use To create this ad, use construction paper, copy paper, magazine/newspaper cutouts, clip art, computer graphics, photographs, hand drawn images, etc. The ad can be done as a PowerPoint presentation, brochure, newspaper ad, magazine ad, poster, prezi presentation, glogster, etc. Getting Nerdy, WANTED: Lazy Pup with Short Nails Desperately seeking a parasitic relationship. I am a flea with a thin body and springy legs who can jump 1,000 times my own body size! I am in search of a dog with long fur for me to cuddle up in, thin skin for me to bite, and short nails to keep from scratching me. I need your help
because your blood is my nutrients and I need it to keep me alive. In return, I promise to give you the heebie jeebies and plenty of scabby bites to scratch and keep you busy! ME YOU + Getting Nerdy, US TOGETHER =
Listed below are several symbiotic relationships. Once you have been assigned your relationship, write the pair of organisms at the top of your paper. Research your relationship and follow all directions to complete your Want Ad. Shark & Remora Mistletoe & Hardwood Tree Bacteria & Termite Gut Ants & Acacia Tree Honeyguide bird & badger Shrimp and Goby Fish Tapeworm & Mammal Barnacles & Whales Sea Anemone & Clownfish Brownheaded cowbird & songbird Hermit Crab & Sea Anemone Langur Monkey & Chital Deer Sea Slug & Algae
Pygmy Seahorse & Seafan Fig Wasp & Fig Spanish Moss & Trees Euprymna Bobtail Squid & Bioluminescent Bacteria Getting Nerdy, Ants & Aphids Pinworm & Humans Botflies & Deer Oxpecker & Mammal Sloth & Algae Botfly & Mammal Fig Tree & Amazon Fruit Bat Olive Baboon & African Elephant Egrets & Cattle
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