The Organism in the Environment
More Lessons for Biology
A collection of videos and experiments that are suitable for Biology.
Understand the terms population, community, habitat and ecosystem
Recall the use of quadrats to estimate the population size of an organism in two different
4.3 Quadrats samples
Describe the use of quadrats as a technique for sampling the distribution of organisms in
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.