14.2 Community Interactions

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14.2 Community Interactions MA 6.3 Relationships among organisms add to the complexity of biological communities.

*two page notebook format* Tuesday, Dec 2, 2014 Page 42 Do Now: 1) What are some ways that you cooperate or compete with others? 2) How does cooperation and competition among other organisms differ from human cooperation and competition? 3) What do the prefixes inter- and intra- mean? Topic: Ecology Objectives: Compare and contrast interspecific and intraspecific competition. Describe three types of symbiosis.

What are some ways that you cooperate or compete with others?

How does cooperation and competition among other organisms differ from human cooperation and competition? Competition Predation

What do the prefixes inter- and intra- mean? Interspecies competition Intraspecies competition

Symbiosis is a close relationship between species Who benefits from a close relationship? How many ways can one or both party benefit?

Three main types of symbiosis (pg 406-407) Type of interaction Who benefits? Example Mutualism Commensalism Parasitism

14.2 Formative Assessment Answer questions 1-5 on page 408. SUMMARIZE what you learned today in 3-5 sentences Homework: Study Guide 14.2