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Interactions within CommunitiesChapter 24, Section 3
Obtaining Energy Ways to Obtain Energy Organisms can:Make their own energy Get energy by eating something else
Obtaining Energy ProducersOrganisms that use outside energy sources to make their own food. 2 processes: photosynthesis chemosynthesis
Obtaining Energy Producers PhotosynthesisUses sunlight to make sugars (food). Organisms contain chlorophyll.
Obtaining Energy Producers ChemosynthesisBreaks down inorganic molecules (like sulfur) for food.
Obtaining Energy Consumers Organisms that cannot make their own food.4 types: Herbivores Carnivores Omnivores Decomposers
Obtaining Energy Consumers Herbivores Eat producers (vegetarians)
Obtaining Energy Consumers Carnivores Eat other consumers
Obtaining Energy Consumers Omnivores Eat both plants and animals
Obtaining Energy Consumers DecomposersBreak down and consume wastes and decaying materials
Obtaining Energy Food ChainsSimple model of feeding relationships in an ecosystem (what eats what)
Symbiotic RelationshipsA close and permanent relationships between individuals of different species. 3 types: Mutualism Commensalism Parasitism
Symbiotic RelationshipsMutualism Both species benefit from the relationship.
Symbiotic RelationshipsCommensalism One species benefits and the other species is not harmed or helped.
Symbiotic RelationshipsParasitism One species benefits but the other species is harmed.
Niches Niche How an organism survives, such as how it:Obtains food Obtains shelter Finds a mate Cares for young Avoids danger Includes any adaptations for survival.
Niches Predator-Prey RelationshipsPresence of a predator limits the size of prey and increases the number of species that can survive in the ecosystem.
Niches Cooperation Cooperation among organisms living in a social group. Increases the chance of survival.
Ecology The study of interactions that take place between organisms and their environment.
Ecology & the Environment
Principles of Ecology You will describe ecology and the work of ecologists. You will identify important aspects of an organism’s environment You will trace.
Section 1 Interactions Among Living Things
Interactions Within Communities Objective 1.02
Studying the Web of Life
12A Interpret relationships (predation, parasitism, commensalism, mutualism, competition) among organisms.
CH Living organisms need a constant supply of energy. Producers are organisms that use an outside energy source like the Sun to make energy-
Ecosystems What is ecology?.
Interactions of Living Things
Chapter 1: Interactions of Life Sections 1 & 3
$ 100 In this symbiotic relationship, both organisms benefit from each other.
Chapter: Interactions of Life
Ecology REVIEW JEOPARDY #2 S2C06 Jeopardy Review.
Interactions Within Communities
Ch.21 Populations & Communities Section 3: Interactions Among Living Things.
Pick An Ecosystem Go to google images and find a food web from the ecosystem you have chosen Copy and paste a food web from your ecosystem.
Living Things Need Energy. Producers What do producers do?? How??
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