Biotic and abiotic worksheet pdf

Biotic and abiotic worksheet pdf

Biotic and abiotic worksheets grade 7. Biotic and abiotic factors in an ecosystem worksheet answers. Biotic and abiotic worksheets for middle school. Reading comprehension abiotic and biotic factors worksheet. Biotic and abiotic worksheet pdf. Biotic and abiotic factors worksheet answers. Biotic and abiotic worksheet 3rd grade. Abiotic and biotic factors worksheet 6th grade.

In an ecosystem, biotic factors are living or organic, while abiotic factors are non-living or inorganic.Biotic and abiotic factors are the two components of an ecosystem. Biotic factors are the living things, like plants, animals, and fungi. Abiotic factors are non-living things, like air, soil, water, and sunlight. Every ecosystem includes both biotic and abiotic factors. Abiotic factors determine the type of life that lives in the ecosystem.Biotic FactorsBiotic factors are any organisms in an ecosystem. Basically, if you see it in the kingdom of life, it's a biotic factor. So, biotic factors include plants, animals, algae, fungi, lichens, bacteria, and protists. Specific examples include humans, trees, grass, cats, E. coli, frogs, and mushrooms. One way of classifying biotic factors is by their nutritional needs:Producers or Autotrophs: Producers or autotrophs make their own food from abiotic factors. The most common pathway is photosynthesis, which converts carbon dioxide, water, and sunlight into the sugar glucose. Plants, algae, and some protists are producers.Consumers or Heterotrophs: Consumers or heterotrophs get their nutrients by eating producers or other consumers. Herbivores, like cattle, only feed on producers. Carnivores, like wolves and cats, only feed on other consumers. Omnivores, like humans and dogs, consume both producers and other consumers.Decomposers or Detritivores: Decomposers are heterotrophs that do not make their own food. The distinction is that they digest compounds made by producers and consumers. Food sources for decomposers include dead and decaying producers and consumers and the waste products made by living organisms. Examples of decomposers are fungi, earthworms, and certain bacteria.Abiotic FactorsAbiotic factors are nonliving parts of an ecosystem. Examples of abiotic factors include:SunlightAir and windWaterSoilRocks and mineralsTemperaturepHGravityTidesNatural events, like wildfires, floods, volcanic eruptions, and earthquakesAbiotic factors affect biotic factors, plus they also influence other abiotic factors. For example, a drought influence the amount of water in an ecosystem. The pH affects how rocks and minerals break down and the nutrients available within the system.Examples of Biotic and Abiotic Factors in an EcosystemNow that you understand the difference between biotic and abiotic factor in an ecosystem, let's identify them in ecosystems.For example, consider an aquarium that contains fish and plants.Biotic FactorsFishPlantsBacteria in the water, rocks, and filtration systemAlgae, fungi, protozoa, and other organisms that are either parasites on/in the fish or plants or that enter the ecosystem with water changes or from the airWaste released by the fishFish foodFish urine and feces and fish food is not exactly alive, but it is organic. It also contains bacteria. Viruses, if present, are also usually included as biotic factors.Abiotic FactorsWaterpH and minerals within the waterThe containerRocks, sand, or whatever is on the bottom of the tankFiltration mediaAir, possibly including a bubblerTemperatureLightAnother small ecosystem is a houseplant.Biotic FactorsPlantAlgae, fungi, bacteria and other microorganisms associated with the plant, water, air, and soilPossibly insect pests that travel through the airAbiotic FactorsLight (including its source, intensity, and duration)Fertilizer (probably)WaterSoilTemperatureSoil and water pHHumidityThe pot that contains the plant and soilSounds and vibrationsYou may think of additional biotic and abiotic factors in an aquarium or potted plant ecosystem. Larger, more complex ecosystems have many more biotic and abiotic factors.Limiting FactorsA limiting factor is a biotic or abiotic factor that restricts the growth of an ecosystem. At any given time, there is only one limiting factor. But, the factor often changes.For example, consider an ecosystem where a plant grows on a windowsill. What one factor determines the plant's health? Usually, this is the amount of water the plant receives. Over time, the limiting factor changes, perhaps becoming the amount of light the plant receives or the nutrients in its soil.As another example, consider the rainforest floor. Usually, the limiting factor is the amount of sunlight that reaches the surface through the tree canopy. Plants compete for this light. Animals depend on the success of the plants. Fungi thrive on the moisture and limited light. In the dry season, the limiting factor may change to the amount of rainfall that falls. Or, the temperature may rise or drop, and become the new limiting factor.ReferencesAtkinson, N. J.; Urwin, P. E. (2012). "The interaction of plant biotic and abiotic stresses: from genes to the field". Journal of Experimental Botany. 63 (10): 3523?3543. doi:10.1093/jxb/ers100Dunson, William A. (November 1991). "The Role of Abiotic Factors in Community Organization". The American Naturalist. 138 (5): 1067?1091. doi:10.1086/285270Garrett, K. A.; Dendy, S. P.; Frank, E. E.; Rouse, M. N.; Travers, S. E. (2006). "Climate Change Effects on Plant Disease: Genomes to Ecosystems". Annual Review of Phytopathology. 44: 489?509. Flexas, J.; Loreto, F.; Medrano, H., eds. (2012). Terrestrial Photosynthesis In A Changing Environment: A Molecular, Physiological, and Ecological Approach. CUP. ISBN 978-0521899413.Taylor, W. A. (1934). "Significance of extreme or intermittent conditions in distribution of species and management of natural resources, with a restatement of Liebig's law of the minimum". Ecology 15: 374-379.Related Posts Live worksheets > English Finish!! Please allow access to the microphone Look at the top of your web browser. If you see a message asking for permission to access the microphone, please allow. Close This lesson includes 7 additional questions for subscribers. Excellent resource - really useful and shared freely - in the Spirit of original TES. As teachers we are lucky to get paid enough so we should all share freely! Thank you :-)Empty reply does not make any sense for the end user Live worksheets > English > Science > Ecosystems > Abiotic or Biotic Finish!! Please allow access to the microphone Look at the top of your web browser. If you see a message asking for permission to access the microphone, please allow. Close This product contains doodle notes over the following topics: Abiotic/Biotic factors, Characteristics of Life (MRS.NERG), ecological levels of organization (biosphere, biome, ecosystem, community, population, organism), levels of organization of an organism (cell, tissue, organ, organ system, organism).Page 2From crossword puzzle, students will: (1) distinguish between biotic factor and abiotic factor; (2) describe three types of community interactions that can affect an ecosystem; (3) distinguish between primary succession and secondary succession; and (4) distinguish between habitat and niche. Words used include: biotic factors, abiotic factors, habitat, niche, competition, competitive exclusion principle, predation, symbiosis, mutualism, commensalism, parasitism, ecological succession, primary sPage 3May be used as a way to assess student comprehension of vocabulary terms associated with Population Ecology. Includes teacher keys and student copy.Set I termsImmigration, density dependent factor, population density, birth rate, growth rate, density independent factor, death rate, population distribution, limiting factors, migration, population dispersion, emigration;Set II termsabiotic factors, community, community ecology, random distribution, demography, uniform distribution, exponential grPage 4This worksheet is best given after teaching students about the hierarchy of livings things & Earth (atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere). It has statements of examples describing various parts of the hierarchy, & asks students to state which part it best describes. Then it asks them to underline which part of the statement led them to the answer. Some statements could describe more than one, so thPage 5This is a 300 slide PowerPoint presentation with built-in class notes (red slides), challenge questions, exciting visuals, built-in lab activity, homework or classwork sheet, lesson notes, video links, and much more. Also included are hundreds of unit PowerPoint slides, the bundled homework package, unit notes, Isopod lab report information, and much more from my Abiotic Factors Unit on TpT. Areas of Focus within this PowerPoint What are Abiotic (non-living) Factors that affect plants and ani

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