National Institute of Open Schooling
Environmental Concerns
Every year, more than 14 billion pounds of garbage is dumped into the oceans of the world, most of which is plastic and toxic to ocean life. Lesson 32 in the series of 36 focuses on environmental concerns, specifically pollution. Under...
Kentucky School for the Deaf
Levels of Organization within an Ecosystem
From tiny organisms to entire biomes, young scientists examine the interdependent relationships tying all living and non-living things together with this collection of ecology resources.
Oswego City School District
Regents Exam Prep Center: Biotic vs. Abiotic
This NY Regents prep site provides a nice overview of what abiotic and biotic factors of an ecosystem are, as well as a brief description of carrying capacity.
Other
University of the Western Cape: Department of Biodiversity: Abiotic Components
The Department of Biodiversity at UWC presents the impact different abiotic components on plants and animals. Some factors are light, temperature, and wind.
Encyclopedia of Earth
Encyclopedia of Earth: Ecology: Abiotic Factor
Explains what an abiotic factor is, and discusses each of six types and their roles in ecosystems and habitats. (Published: July 31, 2010)
![Clemson Cooperative Extension: The Basics of Population Dynamics [Pdf] Handout](http://content.lessonplanet.com/resources/thumbnails/410022/large/bwluav9tywdpy2symdiwmduymc0yntu1ms1wzw1pdgeuanbn.jpg?1589984835 "Clemson Cooperative Extension: The Basics of Population Dynamics [Pdf] Handout")
Other
Clemson Cooperative Extension: The Basics of Population Dynamics [Pdf]
Students learn the many ecological factors that affect the carrying capacity for populations of wild species.
Khan Academy
Khan Academy: What Is Ecology?
A webpage giving an overview of ecology. Learn about the biotic and abiotic factors that make up an ecosystem as well as the different levels of ecology.
Science Struck
Science Struck: Abiotic Factors of the Rainforest
Abiotic factors, e.g., sunlight and precipitation, play a huge role in supporting biodiversity in a rainforest. This article discusses the features of rainforests and how abiotic factors affect the plants and animals that live there.
Encyclopedia of Earth
Encyclopedia of Earth: Biogeochemistry: Phosphorus Cycle
Article explaining what the phosphorus cycle is, where it occurs, its place in the biotic world, and the environmental impact of human activities on the phosphorus cycle. (Published: October 8, 2009)
Sophia Learning
Sophia: Ecosystems
Gives basic information about the community that forms between living and non-living factors that function together in an ecosystem. [47 secs]
Encyclopedia of Earth
Encyclopedia of Earth: Botany: Pollination
Scientific article detailing what pollination is, types of pollination, animals (mainly insects) that facilitate pollination, ways pollination can take place, its evolution, pollination in agriculture, and threats to pollination....
Nature Research
Nature: The Nitrogen Cycle: Processes, Players, and Human Impact
Find out how nitrogen is cycled throughout the biosphere as it passes through the nitrogen cycle. Learn about the biotic and abiotic factors involved in the process as well as the implications of human activity on the nitrogen cycle.
CK-12 Foundation
Ck 12: Earth Science: Biological Communities Study Guide
Review the relationship between populations and ecosystems.
BiologyWise
Biology Wise: Facts About Autotrophs and Heterotrophs
Explains what autotrophs and heterotrophs are, the several types of each, their roles in an ecosystem's food chains, and the differences between them.
Other
Food Chains and Webs
A very informative site that discusses food chains and webs in detail. Not too complicated and fairly easy to understand, it also includes some pictures.
University of Arizona
Wendy Moore/how Did Flightlessness Evolve?
Discusses the reasons flightlessness evolves in some insects depending on their location.
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