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Interactions within Ecosystems CHAPTER the BIG idea Living things within an ecosystem interact with each other and the environment. Groups of living things.

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Presentation on theme: "Interactions within Ecosystems CHAPTER the BIG idea Living things within an ecosystem interact with each other and the environment. Groups of living things."— Presentation transcript:

1 Interactions within Ecosystems CHAPTER the BIG idea Living things within an ecosystem interact with each other and the environment. Groups of living things interact within ecosystems. Organisms can interact in different ways. Ecosystems are always changing. CHAPTER OUTLINE NEW CHAPTER CHAPTER RESOURCES

2 VOCABULARY KEY CONCEPT CHAPTER HOME habitat population niche Groups of living things interact within ecosystems. SECTION OUTLINE SECTION OUTLINE species community Members of the same species form a population with in a habitat. Each species has a distinct role with in a habitat. This is its niche. 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

3 VOCABULARY KEY CONCEPT CHAPTER HOME A group of living things that are so closely related that they can breed with one another and produce offspring that can breed as well. species KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Groups of living things interact within ecosystems. habitat population niche species community 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

4 VOCABULARY KEY CONCEPT CHAPTER HOME A group of organisms of the same species that live in the same area; for example, a desert will have populations of different species of lizards and cactus plants. population KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Groups of living things interact within ecosystems. habitat population niche species community 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

5 VOCABULARY KEY CONCEPT CHAPTER HOME The natural environment in which a living thing gets all that it needs to live; examples include a desert, a coral reef, and a freshwater lake habitat KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Groups of living things interact within ecosystems. habitat population niche species community 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

6 VOCABULARY KEY CONCEPT CHAPTER HOME The role a living thing plays in its habitat; a plant is a food producer, whereas an insect both consumes food as well as provides food for other consumers. niche KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Groups of living things interact within ecosystems. habitat population niche species community 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

7 VOCABULARY KEY CONCEPT CHAPTER HOME All the populations that live and interact with each other in a particular place; the community can live in a place as small as a pond or a park, or it can live in a place as large as a rain forest or the ocean. community KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Groups of living things interact within ecosystems. habitat population niche species community 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

8 VOCABULARY KEY CONCEPT CHAPTER HOME SECTION OUTLINE SECTION OUTLINE Organisms can interact in different ways. Organisms within a community interact with each other in many ways. Some are predators, some are prey. Some compete with one another, some cooperate. Some species form symbiotic relationships with other species: Mutualism benefits both Commensalism benefits one, other unaffected Parasitism benefits one, harms other cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

9 VOCABULARY KEY CONCEPT CHAPTER HOME An animal that feeds on other animals; an owl is a predator that feeds on small animals such as mice. predator KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

10 VOCABULARY KEY CONCEPT CHAPTER HOME An animal that is eaten by another animal; a mouse is prey that is eaten by other animals, such has owls and snakes. prey KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

11 VOCABULARY KEY CONCEPT CHAPTER HOME The struggle between two or more living things that depend on the same limited resource. competition KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

12 VOCABULARY KEY CONCEPT CHAPTER HOME A term used to describe an interaction between two or more living things in which they are said to work together. cooperation KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

13 VOCABULARY KEY CONCEPT CHAPTER HOME A relationship between individuals from two different species that live closely together. symbiosis KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

14 VOCABULARY KEY CONCEPT CHAPTER HOME A relationship between two species in which both benefit; a type of symbiosis. mutualism KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

15 VOCABULARY KEY CONCEPT CHAPTER HOME A relationship between two species in which one species benefits without harming the other; a type of symbiosis. commensalism KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

16 VOCABULARY KEY CONCEPT CHAPTER HOME A relationship between two species in which one species is harmed while the other benefits; a type of symbiosis. parasitism KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

17 VOCABULARY KEY CONCEPT CHAPTER HOME Ecosystems are always changing. SECTION OUTLINE SECTION OUTLINE carrying capacity succession limiting factor pioneer species Primary Succession In a barren area, a new community is established with pioneer species, like mosses, that do well with little or no soil. Mosses eventually give way to coniferous trees. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

18 VOCABULARY KEY CONCEPT CHAPTER HOME Ecosystems are always changing. SECTION OUTLINE SECTION OUTLINE carrying capacity succession limiting factor pioneer species Secondary Succession When a disturbance damages a community but soil remains, the community gets reestablished from seeds and roots left behind. Grasses grow, then small shrubs, and eventually trees. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

19 VOCABULARY KEY CONCEPT CHAPTER HOME Ecosystems are always changing. SECTION OUTLINE SECTION OUTLINE carrying capacity succession limiting factor pioneer species 2.3 Secondary Succession When a disturbance damages a community but soil remains, the community gets reestablished from seeds and roots left behind. Grasses grow, then small shrubs, and eventually trees. SIMULATION Simulate the carrying capacity of an area for a population of deer. CHAPTER RESOURCES CHAPTER RESOURCES

20 VOCABULARY KEY CONCEPT CHAPTER HOME A factor or condition that prevents the continuing growth of a population in an ecosystem. limiting factor KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Ecosystems are always changing. carrying capacity succession limiting factor pioneer species 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

21 VOCABULARY KEY CONCEPT CHAPTER HOME The maximum size that a population can reach in an ecosystem. carrying capacity KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Ecosystems are always changing. carrying capacity succession limiting factor pioneer species 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

22 VOCABULARY KEY CONCEPT CHAPTER HOME A natural process that involves a gradual change in the plant and animal communities that live in an area. succession KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Ecosystems are always changing. carrying capacity succession limiting factor pioneer species 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

23 VOCABULARY KEY CONCEPT CHAPTER HOME The first species to move into a lifeless environment; plants like mosses are typical pioneer species on land. pioneer species KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Ecosystems are always changing. carrying capacity succession limiting factor pioneer species 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

24 VOCABULARY KEY CONCEPT CHAPTER HOME KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY habitat population niche species community I. Groups of living things interact within ecosystems. A. Organisms occupy specific living areas. 1. Populations 2. Habitats and Niches 1. Patterns in Living Space 2. Patterns in Time C. Patterns exist in populations. B. The environment can be organized into five levels. Groups of living things interact within ecosystems. 3. Communities 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

25 VOCABULARY KEY CONCEPT CHAPTER HOME II. Organisms can interact in different ways. A. Organisms interact in different ways. B. The survival of one species might depend on another species. C. Interactions in an ecosystem are complex. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Organisms can interact in different ways. cooperation symbiosis competition mutualism commensalism parasitism 1. Predator and Prey 2. Competition 3. Cooperation 1. Both Species Benefit 2. One Species Benefits 3. One Species Is Harmed predator prey 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

26 VOCABULARY KEY CONCEPT CHAPTER HOME III. Ecosystems are always changing. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY carrying capacity succession limiting factor pioneer species A. Populations change over time. B. Ecosystems change over time. 1. Population Growth and Decline 2. Maintaining a Balance 1. Primary Succession 2. Secondary Succession 3. Patterns of Change Ecosystems are always changing. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

27 CHAPTER HOME Image Gallery Click on the icons to see a larger image or animation. SIMULATION Simulate the carrying capacity of an area for a population of deer.

28 CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

29 CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

30 CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

31 CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

32 BACK TO CHAPTER Click on the items below to access resources on Standardized Test Practice Practice state standardized tests Math Tutorial Review math concepts Resource Centers Get more information on select science topics Content Review Review key concepts and vocabulary Audio Readings Hear chapter audio readings Image Gallery Click here to view chapter images and animations CLASSZONE.COM Chapter Resources CHAPTER HOME


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