'Hare population' diaporamas de présentation

System-Wide Evaluation of ICT in Education

System-Wide Evaluation of ICT in Education. Faculty Seminar Center for Information Technology in Education University of Hong Kong Ronald (Ron) Anderson University of Minnesota. Outline/Overview. Why evaluate? But obstacles. Systemic or organizational approaches Grappling Model

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Types of Relationships

Types of Relationships. Predation. An interaction in which one organism kills another for food Ex: green tree python eats a mouse. The struggle between organisms to survive as they attempt to use the same limited resources Some species will adapt so that they may coexist. Komodo Dragon.

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ECOSYSTEM BALANCE

ECOSYSTEM BALANCE. Chapter 6 (pgs. 88-107) Mrs. Paul. 6.1 RELATIONSHIPS IN THE ECOSYSTEM. All species interact and a change in the relationships may change a population and thus the food web. Relationships: Predator/Prey Parasitism Symbiosis. Predators and Prey.

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NEW AIM: How do scientists describe population growth?

NEW AIM: How do scientists describe population growth?. Population Ecology. - The study of changes in population size and the factors that regulate it. Population. - group of individuals of a single species that occupy the same general area. 1. Rely on same resources.

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Predator prey relationships

Predator prey relationships. 1. Write down whether each one is a predator or prey. 2 . For each of the animals, write down two adaptations that it has for either catching prey or avoiding being eaten. 3. Name two adaptations that many predators have for catching and killing prey.

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The Lynx and the Snowshoe Hare Which factors cause the cyclical oscillations in the population?

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What Factors Affect Populations in Ecosystems?

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What is a Population?

What is a Population?. Population Ecology. - The study of changes in population size and the factors that regulate it. Population. - group of individuals of a single species that occupy the same general area. 1. Rely on same resources. 2. Influenced by the same biotic and abiotic factors.

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Populations

Populations. Three important characteristics of a population. Geographic distribution Where and how much space a population has Population density Number of individuals per unit area Growth rate How quickly a population is increasing. Increases Births Immigration

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The Lynx and The Hare

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