CHMSC Lab. School - Food Web
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A food web shows the multiple interactions between organisms as energy and materials circulate within an ecosystem. It consists of producers, herbivores, carnivores, omnivores, and decomposers that are interconnected through food chains. A food web starts with producers and progresses through herbivores, carnivores and omnivores before ending with decomposers that break down waste and cycle nutrients back into the system.
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Food chains show how organisms are linked through feeding relationships, with energy flowing from producers to primary, secondary, and tertiary consumers. Food webs depict a more complex and realistic set of interlocking food chains in an ecosystem. Within food chains and webs, organisms can be grouped into trophic levels based on their position - with producers on the first trophic level and top carnivores on the highest level. Significant changes to populations within an ecosystem, such as removing producers, can destabilize food chains and negatively impact other organisms.
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This document discusses food chains and food webs. A food chain shows how energy passes from one organism to another, starting with producers like plants using sunlight, then consumers that eat the producers or other consumers, and ending with decomposers that break down waste. A food web is more complex than a food chain, showing how multiple food chains interconnect through different organisms consuming each other and being consumed.
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This document discusses organisms, species, and some examples of microorganisms that can be found in an ecosystem. It provides the following information:
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The document discusses food chains and how energy passes between organisms. It asks questions about what the source of energy is for plants, why plants need energy, what happens to the energy stored in plants when animals eat them, and how the process of energy passing from one organism to another is shown. It defines that in a food chain, plants are the producers as they can make their own food, while animals are consumers as they cannot make their own food and obtain energy by consuming other organisms.
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A food chain shows how energy is transferred between organisms in an ecosystem. All food chains start with the sun, as it provides the original energy. A food chain consists of producers like algae or plants that use sunlight, consumers that eat producers or other consumers, and decomposers like bacteria and fungi that break down dead organisms. An example wetland food chain is: sun -> algae -> copepod -> small fish -> salamander.
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Food chains show the transfer of energy from producers to consumers in an ecosystem. Producers, like plants, use sunlight to photosynthesize and produce food. Herbivores then eat the producers, and carnivores eat the herbivores, passing the energy from one organism to the next up the chain. If the producer or any organism in the chain is removed, it disrupts the entire food chain and can cause population declines or extinctions throughout the ecosystem. Humans can negatively impact food chains through activities like pollution, habitat destruction, and overhunting or overfishing. Maintaining healthy food chains is important for balancing populations and preserving biodiversity.
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This document discusses food chains and ecosystems. It defines a food chain as showing what eats what in an ecosystem. An ecosystem includes all the animals, plants, and their habitats that provide everything needed to sustain life. This particular food chain shows plants being eaten by slugs, slugs eaten by frogs, and frogs eaten by herons. Most food chains begin with a green plant that acts as a producer, making its own food. Animals that eat plants or other animals are consumers. Predators are animals that hunt and eat other animals, while prey are animals that are hunted and eaten. Energy flows through the food chain as each organism eats another to gain energy, keeping the ecosystem alive.
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A food chain shows how energy is transferred between organisms in an ecosystem. All food chains start with the sun, as it provides the original energy. A food chain consists of producers like algae or plants that use sunlight, consumers that eat producers or other consumers, and decomposers like bacteria and fungi that break down dead organisms. An example wetland food chain is: sun -> algae -> copepod -> small fish -> salamander.
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This document defines key concepts in ecology, including biotic and abiotic factors, producers and consumers, food chains and webs, and ecological relationships. It explains that ecology is the study of interactions between organisms and their environment. Biotic factors are living things, abiotic are non-living. Producers use sunlight to make their own food while consumers rely on other organisms for resources and energy. Food chains show simple energy transfer, while webs account for multiple feeding interactions. Ecological pyramids illustrate biomass and numbers decreasing at each trophic level.
FoodChains CSEC PowerPoint Presentation for students
This document discusses food chains and food webs. It defines key terms like producers, consumers, trophic levels, herbivores, carnivores, omnivores, decomposers, predators and prey. It provides examples of food chains from both aquatic and terrestrial environments. It explains that food chains alone do not fully represent feeding relationships in an ecosystem as they do not account for omnivores or multiple feeding sources. A food web links together multiple food chains to more accurately depict the complex trophic interactions between organisms within a community.
Objective Three: The Interdependence of Organisms and the Environment (Biology)
- Plants have three main organ systems - roots, stems, and leaves - that carry out key functions like water and nutrient absorption, photosynthesis, and providing structure and support.
- Within plants, chloroplasts use energy from sunlight to produce glucose through photosynthesis. Plants get their energy from glucose. Animals then obtain energy by eating plants or other animals that eat plants.
- Metabolism refers to the chemical reactions in organisms that break down glucose to produce energy. This energy transfer between organisms through food webs and food chains drives ecosystem function.
Integrated Science M1 Interactions
This document provides an overview of feeding relationships in ecosystems through food chains and webs. It begins by defining objectives and key concepts like producers, consumers, autotrophs and heterotrophs. Examples of food chains show how energy and matter pass from plants to primary and secondary consumers. Food webs illustrate how organisms can be involved in multiple feeding relationships. The document suggests that removing any population, like hawks in one example, can disrupt an ecosystem's food web and affect other species.
Ecology
Ecology is the study of interactions between organisms and their environment. The biosphere is the global ecosystem, encompassing all living things found in air, land, and water on Earth. Ecologists study how both biotic factors (living things) and abiotic factors (non-living things) influence organisms and populations within various levels of organization, from individuals to ecosystems. Energy and matter flow through ecosystems via food chains and food webs, with only about 10% of available energy being transferred between trophic levels. Key biogeochemical cycles such as the water, carbon, nitrogen, and phosphorus cycles recycle critical elements and compounds.
Demo ko
The document discusses food chains and the transfer of energy from producers to consumers to decomposers. It defines key terms like producers, consumers, decomposers, and explains that plants are producers that use photosynthesis to produce their own food, while animals are consumers that obtain energy by eating plants or other animals. Students are assigned to make a food chain tracing the source of energy in their dinner.
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CHMSC Lab. School - Food Web
- 2. Herbivores Omnivores Carnivores Decomposers Producers Detritivores Interconnected
- 4. Definitions of Food Web: • A complex of interrelated food chains in an ecological community. • A food web shows the multiple interactions among the different types of organism. • Food web starts with a producer then a herbivore, carnivore, omnivore or carnivore and the decomposers.
- 5. Evaluation (Click the dog to proceed)
- 6. 1. It is a set of interconnected food chains by which energy and materials circulate within an ecosystem. a. food chain b. food web c. decomposers
- 7. 2. Which of the following animals are carnivores?
- 8. 3.Which of the following animals are omnivores?
- 9. WRONG answer! Try again… (click the dog to try again)
- 10. Excellent! (click the dog to proceed)
- 15. Thank you for watching! Hope you learned a lot!!!