Examples, lessons, videos and experiments that are suitable for Biology
How ecosystems function.
He begins with a description of how life on the planet is ordered from large to small in biomes, ecosystems, communities, population, and individuals. He describes the major terrestrial and aquatic biomes on the planet. He then describes interactions at the ecosystem level with food food webs. He also explains the importance of niche, keystone species, and the edge effect.
Communities and Ecosystems
Major classification terms in ecology and how a community can be measured by species composition and species diversity.
The symbiosis of leaf cutter ants is included.
Discussion of population growth.
Explains how population ecology studies the density, distribution, size, sex ratio, and age structure of populations.
Intrinsic growth rate and exponential growth calculations are included along with a discussion of logistic growth.
K-selected and r-selected species are explained along with survivorship curves.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.