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We found 760 reviewed resources for populations and ecosystems
Videos (Over 2 Million Educational Videos Available)
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Three-Dimensional Coordinates and the...

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Population Genetics
8:55
The Circulatory System Part 1: The Heart
Other Resource Types
(760)
Lesson Planet: Curated OER
Ecosystems
Five lessons take high schoolers on a journey through Australia’s ecosystems. They investigate the relationships between different organisms, examine factors that affect population sizes, and consider how energy flows into and out of an...
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Breaking Down Ecosystems
Ecosystems are crucial in allowing for the flow of energy. In this collection, learners look at how energy flows from one organism to another through food chains and food webs. With videos, interactives, and worksheets, the material in...
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Sustainable Design and Biomimicry in a Desert Ecosystem
Challenge young engineers to design a sustainable guest village in Arizona’s Saguaro National Park. A collection of four lessons and five activities provide designers with all the information they need to complete the challenge of living...
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ScienceWeb Australia: Years 9-10
Science Web Australia presents a collection of three units designed for English speaking high schoolers and utilizing resources available online. The first unit focuses on ecosystems, the second on plate tectonics, and the third on the...
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Crash Course: Ecology
Viewers take a Crash Course in Ecology with a 12-video collection that takes a look at where organisms come from, how they interact, and how they influence their environments. The videos, appropriate for in class or remote learning, use...
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Crash Course: Biology
Imagine an entire biology course in one collection of 40 videos! Based on the AP Biology curriculum, viewers learn about the things that make up living things and the processes that keep organisms alive. They also learn how to identify...
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Ricochet Science: Biology 101 - The Science of Life
It’s alive! Or is it? With clear, concise explanations, a series of five videos introduces young biologists to the science behind life study. The playlist covers the Characteristics of Life, the Classification of Life, Prokaryotic versus...
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Populations
Every species in the world has some type of relationship with another species, whether it be positive, negative, or neutral for each party. Mr. Andersen defines each type of relationship and provides clear examples under each category....
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Study Jams! Population Growth
Along came a spider, who sat down beside her. She screamed, but RJ wouldn't smash it because spiders are a limiting factor for other insects in an ecosystem. In this video, other common limiting factors for populations are listed....
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Populations : Biotic Potential
Why do most populations remain stable over time? Usually it is a result of either environmental resistance or carrying capacity. Examine some of the factors that help stabilize animal populations, and explore some of the changes that...
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Populations : Distribution
Learn about the different ways in which populations are distributed in a setting. Which animals group together? Why? What are the advantages (or possible disadvantages) to each style of grouping?
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Designing a Real Life Ecosystem!
Students research abiotic and biotic factors concerning the concept of an ecosystem. Record and analyze data collected. Write a lab report in proper and scientific format with thinking and analytical skills. Work as a cooperative team.
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Populations
The largest concentration of free-roaming wildlife in the continental United States is found in Yellowstone National Park. A video describes the three main types of population interactions: mutualism, commensalism, and parasitism. It...
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Ecosystems
Living and non-living things are both a part of an ecosystem. A video begins with ecosystem interactions using biotic and abiotic factors. It also covers food webs, limiting factors, and logistic growth. As a real-world connection, it...
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What is an Ecosystem?
Take a brief look at the Florida Everglades. What kinds of animal populations exist there? Use this video to help define introductory vocabulary for your unit on ecosystems, and click the links posted below the video to provide your...
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Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases and...
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Population Dynamics
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
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A Salt Marsh Ecosystem
What a web we weave. Pupils use yarn as the primary resource to create a web depicting the intricacies of a salt marsh ecosystem. They participate in a question and answer session, which leads to an in-depth facilitated discussion about...
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AP: Chapter 54: Ecosystems
A lot of learning is packed into these 23 questions about ecosystems. Advanced biology classes apply their knowledge of communities, productivity, biogeochemical cycles, and human impact on the environment by writing short answers for...
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Ecosystems
An in-depth look at ecosystems is outlined in this 13-slide PowerPoint. Learners will learn about different types of ecosystems on our earth. An activity is provided on slide eight, as well as three scenarios to analyze on slide nine....
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Limiting Factors for Populations
The "Bottled Bacteria" activity instructions are a bit unclear, but the remaining activities investigating limiting factors in ecosystems are well-written. Learners model the exosystem of a bear and a herd of deer. They set up a...
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Urban Ecosystems 5: In Defense Of Cities
Students explain that while cities have unattractive features, the density of human life enables energy efficiency, mass transit, recycling, and other benefits which are difficult or impossible in rural areas. This is the fifth in an...
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Change in Populations
The human population reached 1 billion in 1804, and by 2016, there were more than 7 billion! This activity explores how populations in an ecosystem change over time. Through simulations, videos, discussions, and a game, learners see how...
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Taiga Ecosystems
Introduce your class to another type of ecosystem, the taiga ecosystem, through a reading passage. Class members read the text and then respond to five reading questions about the content of the passage.