Community ecology is the study of interactions between different species of living things, and lets ecologists examine the effects of predator-prey relationships, parasites, and mutually beneficial interactions. In this episode of Crash...

Learn how Robert Smalls led a daring escape aboard the Confederate ship, the Planter, and delivered 17 enslaved people to freedom. Discover his pivotal role in providing crucial intelligence to the Union, meeting President Lincoln, and...

With a better understanding of population ecology, we are ready to zoom out and look at community ecology, which involves interactions between species, as well as landscape ecology, which will broaden our understanding of ecosystems. How...

Howcast - Learn how to make your own laundry starch in this Howcast video featuring Alegre of Green and Greener.

This engaging series of videos uses colorful animations and on-location footage to illustrate some of the amazing ways plants reproduce. The reproduction processes in bryophytes, ferns, gymnosperms, and angiosperms are highlighted....

While weights of an MLP are initialized randomly, a DBN uses a greedy layer-by-layer pretraining algorithm to initialize the network weights through probabilistic generative models composed of a visible layer and multiple layers of...

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...

Explain ecosystem, environment its biotic and abiotic components, the levels of ecological hierarchy and the branches of ecology.

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,...

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...

Ophelia the opossum and Lollipop the skunk get their first try on a huge running wheel. Do they like it? Will they be able to use it?

Loathed as a threat and nuisance, the wolf population in Yellowstone National Park was essentially wiped out by the mid 1920's. That changed in 1995, when the National Park Service reintroduced them there, with the goal of restoring a...

This video provides a brief overview of the topics covered in the Ecology Fundamentals series. It explains the terms species, population, and community, and emphasizes the importance of understanding the biotic and abiotic components of...

Saving power is important, especially on mobile devices and laptops. Every CPU has a built-in feature to shut down different parts of a computer to reduce power needs. It's up to the techs to make sure the power management settings are...

This video is a quiz over the topics covered in the Ecology Fundamentals series. It explains the terms species, population, and community, and emphasizes the importance of understanding the biotic and abiotic components of ecosystems. It...

African Elephants, Loxodonta africana, are the largest animals to walk the African savannah. This is a factual video featuring footage of these elephants in the African wilderness. All footage is original and was filmed by Leo R while on...

It describes the role of biological agents for controlling pests. It describes genetically modified organisms (using Bt microbe) and their uses as biocontrol agents.

In this video Paul Andersen explains the important relationships that exist in ecosystems. He starts by delineating between organisms and their environment. He explains how food webs can be used to show energy and matter flow in a...

Michelle Terry and Edward Bennett, who play Beatrice and Benedick in the 2014 RSC production of Much Ado about Nothing, talk about their process as actors in this film from the RSC online course Much Ado about Nothing: in Performance.

This is a lecture presentation on feeding relationships in ecosystems. The presenter discusses the interdependence of different organisms in a community and the consequences of a change in that community. Using a specific community as an...

The video is about the different components of an ecosystem, specifically the biotic components, which include all living things in an area. The video provides examples of different populations and communities, such as monarch and tiger...

This video explains the different levels of organization in nature, starting with individual organisms and moving up to populations, communities, and ecosystems. Ecosystems part 4/8

Autocracy is a system of government in which absolute power is held by the ruler, known as an autocrat. It includes most forms of monarchy and dictatorship, while it is contrasted with democracy and feudalism. Various definitions of...

What are Nerve Cells, Neurons & Synapses? | Physiology | Biology | FuseSchool There are 3 different types of neuron, or nerve cell; the sensory neuron which detects the signal, the relay or intermediate neuron, and the motor neurons...