Curated Video
Population Ecology- An Introduction
It describes the role of biological agents for controlling pests. It describes genetically modified organisms (using Bt microbe) and their uses as biocontrol agents.
Curated Video
Using Quadrants in Biology Experiments
The video discusses the use of a quadrant in two different biology experiments. The first experiment involves using a quadrant to estimate the population of daisy plants in a given area. The video explains the steps involved, including...
Curated Video
Measuring Populations: Investigating the Distribution of Daisies with Distance from Trees
This video is a lecture presentation on measuring populations. The presenter explains how to investigate the distribution of daisies in a field and how it varies with distance from a line of trees. The hypothesis is formulated based on...
Bozeman Science
Logistic Growth
Paul Andersen explains how populations eventually reach a carrying capacity in logistic growth. He begins with a brief discussion of population size ( N ), growth rate ( r ) and exponential growth. He then explains how density dependent...
Bozeman Science
Communities
Paul Andersen explains the 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. The podcast ends with a discussion of...
SciShow
The World's Most Abundant Mineral, and Oddball Whales
SciShow News takes you to the depths of the Earth, where the world’s most abundant mineral is found, and to the Arabian Sea, where a strange population of whales has been living in isolation for 70,000 years!
Science360
Navy veteran studies genetic variation - Scientists & Engineers on Sofas (and other furnishings)
Graduate Research Fellow Amy Battocletti is a Navy veteran who was awarded a Graduate Research Fellowship in 2014. She’s a doctoral candidate in biology at Georgetown University conducting research on the impact of genetic variation...
Curated Video
Selective Breeding | Evolution | Biology | FuseSchool
Selective Breeding | Evolution | Biology | FuseSchool Selective breeding is also known as artificial selection. It is the process by which humans breed plants and animals for particular genetic characteristics. We have been doing this...
Curated Video
Selective Breeding
Selective breeding is also known as artificial selection. It is the process by which humans breed plants and animals for particular genetic characteristics. We have been doing this for thousands of years - ever since we first bred food...
National Parks Service
Everglades National Park - Python Research and Road Survey
Video featuring Dr. Michael Dorcas and his night time road survey for Burmese pythons in the park (5 min. with closed-captions).
Crash Course
Population Ecology: The Texas Mosquito Mystery
While 80 percent of people with West Nile Virus show no symptoms, in severe cases, it causes death by infecting the membranes around the spinal cord and brain. The video starts by making population ecology relevant. It includes density...