1.  Predation, Mutualism, Commensalism, or Parasitism 2. CommensalismCommensalism is a relationship between two living organisms where one benefits and the other is…

Interactions in the Environment © Lisa Michalek POPULATIONS & COMMUNITIES POPULATION All the organisms of one species that live in one place at a particular time.…

Principles of Disease and Epidemiology How do we know you are sick let alone that its an epidemic? Defining Some Terms Pathology Study of disease Etiology Study of the cause…

Community Relationships A biological community is all of the living organisms that interact within a particular ecosystem What makes up an ecosystem? Biotic factors--All…

Interactions Within Ecosystems Chapter 2 Grade 7 Science Unit 1 Symbiosis Interactions between the biotic parts of the environment. There are 3 types: Parasitism Mutualism…

21.3 Interactions among living things pg 722 21.3 Interactions among living things pg 722 Key concepts: How do an organismâs adaptations help it to survive? What are the…

Ecosystem Balance Ch. 6 Ecosystem Balance Relationship in Ecosystem Energy is cycled in ecosystems…… Predator: hunts other organisms Prey: the hunted Praying mantis Increases…

Community Ecology Communities A community is a group of organisms of different species that live in a particular area Individualistic Hypothesis vs. Interactive Hypothesis…