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
GCSE Biology - Interdependence - Community and Competition #84
Ecology is all about how organisms interact. This video explores important terms like interdependence, community, habitat, ecosystem, competition and more while exploring what ecology really is.
Curated Video
Conservation and Restoration Ecology: Crash Course Ecology
Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting...
Curated Video
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
Curated Video
Human Population Growth - Crash Course Ecology
If being alive on Earth were a contest, humans would win it hands down. We're like the Michael Phelps of being alive, but with 250,000 times more gold medals. Today Hank is here to tell us the specifics of why and how human population...
Amoeba Sisters
Ecological Succession: Nature's Great Grit
Discover a process that truly demonstrates nature's grit: ecological succession! The Amoeba Sisters introduce both primary and secondary succession
Amoeba Sisters
Ecological Relationships
Explore several ecological relationships with The Amoeba Sisters! Ecological relationships discussed include predation, competition, and symbiotic relationships (parasitism, mutualism, and commensalism). Table of Contents: Intro 00:00...
Bozeman Science
Populations
Paul Andersen explains how populations interact in an ecosystem. The symbiosis of several populations is based on effects that may be neutral, positive, or negative. Interactions like mutualism, commensalism and parasitism are included....
Curated Video
Measuring Populations: Estimating Daisy Populations in a Given Area
This video is a lecture presentation on how to measure populations using an experiment that estimates the population of daisies in a given area. The experiment is conducted by randomly placing a quadrant, a square wire frame that has...
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...
Curated Video
Factors Affecting Food Security: Increasing Population, Changing Diets, Pests and Pathogens, Environmental Changes, and More
In this video lecture, the speaker discusses the concept of food security and the various factors that affect it. They begin by explaining that food security means having enough food to feed a population, and then go on to discuss the...
FuseSchool
Key Ecology Terms
In this video we look at a few keys words that you will come across throughout ecology. An ecosystem is made up of all of the communities that live in it, every single organism from small to big and lots of environmental factors like...
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...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
Bozeman Science
r and K selection
Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance of; r or growth rate, N or number of individuals in the population, and K the...
Curated Video
Understanding Communities and Succession in Ecosystems
In this video, the teacher covers key concepts related to communities in ecology. They discuss how different populations interact within a community, the role of limiting factors in population dynamics, and the importance of tolerance in...
Curated Video
Effects of Land Use and Pollution on Environment and Biodiversity
This video presents an overview of the impact of human activities such as land use, infrastructure, farming, quarrying, and waste disposal on the environment, particularly on biodiversity. The narrator discusses how the global human...
Curated Video
Biotic Factors: How Living Things Affect Ecosystems and Communities
This video is a lecture presentation on biotic factors. The presenter defines biotic factors and explains how they can affect communities and ecosystems. The focus is on living factors, such as availability of food, arrival of new...
Curated Video
Understanding Communities and Key Terms
The video is a lecture presentation on communities and the relationships between organisms within them. It uses an example of a community that includes an owl, a snake, a shrew, a frog, a beetle, grasshopper, and grass living in a wooded...
Curated Video
Human Impacts on Biodiversity: Causes and Solutions
The video is a lecture presentation on the human impacts on biodiversity. The presenter discusses how common human activities, such as fishing and farming, can have unforeseen consequences that reduce biodiversity. They explain the...
Curated Video
Human impacts on Biodiversity
Biodiversity is the variety of life. There are thought to be 8.7 million species on planet Earth. And, as we saw in this video, biodiversity is of utmost importance to humans. The loss of one key species can have a detrimental impact on...
Curated Video
The Pros and Cons of Organic Farming
Organic farming isn’t all good. The yields are lower because more produce is damaged by pests, and carefully selected chemical pesticides cannot be used. With an ever-growing world population, we have limited land to feed everyone from....
Curated Video
Why Does Biodiversity Matter To Me?
Biodiversity is the variety of life. It can be studied on many levels, from looking at all of the 8.7 million species on our planet to a specific ecosystem like a patch of woodland. In this video we are going to look at the importance of...
Maddie Moate
Searching for Beavers! (Part 1)
Join Greg and I as we go on a canoe safari in search of Beavers! Beavers were considered extinct in the UK for hundreds of years and it's only recently that they've been re-introduced! Population numbers are still so low, so seeing them...