* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Tomato hornworm hosting wasp larvae Clown fish
Survey
Document related concepts
Overexploitation wikipedia , lookup
Biodiversity action plan wikipedia , lookup
Molecular ecology wikipedia , lookup
Biological Dynamics of Forest Fragments Project wikipedia , lookup
Latitudinal gradients in species diversity wikipedia , lookup
Habitat conservation wikipedia , lookup
Natural environment wikipedia , lookup
Ecological fitting wikipedia , lookup
Lake ecosystem wikipedia , lookup
Biogeography wikipedia , lookup
History of wildlife tracking technology wikipedia , lookup
Transcript
Today: • Stamp Typed rough draft • Peer Edit • Notes: Competition within a community • Final Draft of lab reports are due Monday beginning of class with the following items – Final Draft – Peer Edit – Typed/Stamped Rough Draft • Upload to turnitin.com by Thurs., Nov. 20 by midnight Section 4.2: A Look Inside Communities Tomato hornworm hosting wasp larvae Clown fish gets a home; Sea anemone has no bugs! Review Time!!! Q: What is a community? A: A collection of populations living together Q: What is an ecosystem? A: Community plus non-living factors Biotic and Abiotic Factors • Together, biotic and abiotic factors determine the productivity of organisms and where the live (their habitat) The Niche • Niche = an organism’s role in an ecosystem • Ex: mushrooms are decomposers living on tree stumps • Analogy: baseball players can be pitchers, catchers, shortstops, etc. In Your Composition Notebook on a separate page… a. What is your niche at Eastlake? b. What abiotic factors do you encounter? c. What biotic factors do you share your community with? Community Interactions • No two organisms can have the same niche; one will always outcompete the other • This is the competitive exclusion principle • Competition = two organisms trying to use the same resources at the same time • Resources = food, water, shelter, mates, etc. Community Interactions • Predation = one organism captures and feeds on another • Symbiosis = two species live and interact closely together Types of Symbiosis • Mutualism: both species benefit from the relationship • Example: bees pollinating flowers Types of Symbiosis • Commensalism: one species benefits, while the other sees no effect • Example: barnacles on whales Types of Symbiosis • Parasitism: one species benefits, while the other suffers • Examples: tape worms in your stomach Your turn- discuss as a group: • Give an example of the following community interactions, using examples from here at EHS. – – – – – Predation Symbiosis Mutualism Commensalism Parasitism • Write your responses in your composition book, under where you put down biotic and abiotic factors you encounter • Reminder- Final Draft due Monday • Quiz on Sec. 4.2 on Thursday • Start Fred Hutch Kit- micropipetting on Monday, finish Thursday