Professor Dave Explains
Food Webs and Trophic Cascades
Now that we know about nutrient cycling, we are ready to look at food webs as a whole. These represent feeding relationships within a community.These relationships designate certain trophic levels, so let's learn about what these mean...
Financial Times
Battling the avian flu epidemic
FT Food Revolution - The FT's Anjana Ahuja reports on how virologists are unlocking the secrets of the latest H5N1 avian flu strain, in an attempt to tackle the most serious and sustained disease threatening farmed poultry and wild birds...
Curated Video
GCSE Biology - Trophic Levels - Producers, Consumers, Herbivores & Carnivores #86
This video covers: - The idea that trophic levels are just the different levels of a food chain - Trophic level 1 are called the producers - Trophic level 2 are primary consumers, trophic level 3 are called the secondary consumers and so...
Curated Video
Creating a Water Ecosystem
Dr. Forester creates a water ecosystem and identifies the roles of consumer, producer, and decomposer in the water ecosystem.
Curated Video
International Trade
International Trade analyzes how nations trade with one another to obtain goods and services they themselves cannot produce efficiently.
Curated Video
Producers, Consumers, and Decomposers
Producers, Consumers, and Decomposers explains the roles of producers, consumers, and decomposers within an ecosystem.
Curated Video
The Process of Photosynthesis
The Process of Photosynthesis explains that the source of energy in ecosystems comes from sunlight by illustrating producers transferring and transforming energy through photosynthesis.
Curated Video
Supply and Demand
Supply and Demand describes how the laws of supply and demand affect the prices and availability of goods.
Curated Video
Food Webs
“Food Webs” explains the movement of energy from producers to consumers to decomposers.
Curated Video
Energy in an Ecosystem
The video “Energy in an Ecosystem” discusses the complex relationship between organisms in an ecosystem, focusing on how small changes can have a large impact.
Teaching Without Frills
Economics for Kids: Producers and Consumers
In this economics video, you will learn about how producers and consumers buy and sell goods and services.
Curated Video
What are Food Chains | Learning Science
Where do plants and animals get their energy from? Explore food chains and see how energy is passed from the sun to plants and on to first, second and third order consumers.
Curated Video
AWS Certified Data Analytics Specialty 2021 – Hands-On - SQS Overview
This video provides an overview of Amazon SQS. This clip is from the chapter "Domain 1: Collection" of the series "AWS Certified Data Analytics Specialty (2022) Hands-on".In this section, you will learn to build up a system to populate...
Curated Video
AWS Certified Data Analytics Specialty 2021 – Hands-On - Kinesis Data Streams Overview
This video provides an overview of Amazon Kinesis data streams. This clip is from the chapter "Domain 1: Collection" of the series "AWS Certified Data Analytics Specialty (2022) Hands-on".In this section, you will learn to build up a...
Curated Video
AWS Certified Data Analytics Specialty 2021 – Hands-On - MSK: Managed Streaming for Apache Kafka
This video explains the concept of Amazon MSK. This clip is from the chapter "Domain 1: Collection" of the series "AWS Certified Data Analytics Specialty (2022) Hands-on".In this section, you will learn to build up a system to populate...
Curated Video
Understanding Subsidies and their Impact on Markets
In this video, the concept of subsidies is explained. The video provides various examples of industries that are heavily reliant upon subsidies, such as the UK rail industry and the common agricultural policy in Europe. The overall cost...
Curated Video
Understanding the Circular Flow of Income in Economics
The video discusses the circular flow of income and how it provides a basic framework for understanding how economic systems work. The interaction between producers and consumers is explained. The importance of achieving economic growth...
ACDC Leadership
Demand and Supply Explained Part 2 - Macro Topic 1.5 (Micro Topic 2.2)
In this video I explain supply, the law of supply, the shifters of the supply curve, equilibrium, surplus, and shortage. Make sure to draw the graphs on your own.
ACDC Leadership
Macro 3.1 AD, AS, and LRAS (Additional Version)
This is an old video where I explain aggregate demand, aggregate supply, and long run aggregate supply. Keep in mind that the "long run" is not a specific amount of time. The long run refers to enough time for resource prices (like...
ACDC Leadership
ExciseTax Practice- Supply and Demand
My 60 second explanation of how to draw and excise tax (a per unit taxes on producers). You calculate the tax revenue, spending by consumers and revenue to firms. The bonus round shows shows what happens to consumer's surplus and...
ACDC Leadership
Micro 2.2 Supply and Demand (Economics)
Mr. Clifford's 60 second explanation of disequilibrium, surplus, and shortage.
Curated Video
Apache Kafka - Real-time Stream Processing (Master Class) - Real-time Streaming Design Consideration
This video helps you to formulate some critical decision criteria that we can use to evaluate the right solution for streaming data. Once you have the evaluation criteria, the next question is obvious. What options do we have? There are...
Curated Video
Apache Kafka - Real-time Stream Processing (Master Class) - Real-time Streaming Challenges
In this lecture, you will understand the main challenge that forces us to take a different approach to real-time stream processing. This video picks up a real-life problem and talks about the complexity and the challenge that you need to...