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Exploring Ecosystem Relationships: Survival Strategies in the Intertidal Zone

Discover a new organism in the rocky intertidal zone and explore its unique characteristics for survival. Learn about various relationships in ecosystems, from competition to symbiosis, and understand the roles of limiting factors and carrying capacity. Dive into the diverse interactions between species, including commensalism, mutualism, parasitism, and predator-prey dynamics. Uncover the crucial roles of decomposers and scavengers in breaking down organic matter. Additional terms like abiotic, biotic, niche, and community will deepen your understanding of ecosystem dynamics.

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Exploring Ecosystem Relationships: Survival Strategies in the Intertidal Zone

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  1. Warm-up: October 6, 2010 A new organism is discovered in the rocky intertidal zone. Which of the following characteristics helps the organism to survive in this particular ocean zone? • It has a hard shell and can cling to surfaces • It gets energy from chemicals in thermal vents. • It has a shiny body and glows. • It serves as food source for land animals.

  2. Activator: Think of a word or phrase that describes “relationship” for each letter of the word. Write this in your notebook. You will refer back to it at the end of the week. • Now share your response with your elbow partner R E L A T I O N S H I P S

  3. Relationships in Ecosystems

  4. Ecosystem • All the living and nonliving things that interact in an area.

  5. Populations • All of the same species in an ecosystem www.intrasystems.gr www.nkf-mt.org.uk

  6. Competition • All living things compete for • Food • Space • Competition limits population growth www.opim.wharton.upenn.edu

  7. Limiting Factors • Anything that restricts or controls the number of individuals in a population www.bahamascommerce.com

  8. Carrying Capacity • The largest number of individuals of one species an ecosystem can support www.wwt.org.uk

  9. Symbiosis • Any close relationship between species en.wikipedia.org

  10. Commensalism • A relationship in which one species benefits and the other is neither helped nor harmed Shark & remora Barnacles on whale www.community.webshots.com www.cbu.edu

  11. Mutualism • A relationship in which both species benefit Pollination www.biology.clc.uc.edu Cleaner fish Lichens: algae + fungus www.orn.mpg.de www4.tpgi.com.au

  12. Parasitism • A relationship in which one organisms benefits and the other is harmed Mistletoe Tick www.wcosf.org www.oznet.ksu.edu

  13. Predator - Prey • Predators are consumers that capture and eat other consumers, called prey http://www.uga.edu

  14. Decomposer/Scavenger • Decomposers and scavengers break down dead plants and animals. • Scavengers are animals that find dead animals or plants and eat them. • Once a scavenger is done, the decomposers take over, and finish the job. Many kinds of decomposers are microscopic, meaning that they can't be seen without a microscope.

  15. Decomposer/Scavenger Scavenger Decomposer

  16. Cooperation • Organisms working together toward a common end or purpose http://special.newsroom.msu.edu http://forger.ca/

  17. Additional Terms: • Abiotic • Biotic • Niche • Community

  18. Closing: Gimmie Five • Students will draw their hand on the back of the sheet of paper they used for their activator, and they will list 5 facts they learned in class today.

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