Curated OER
How Do Populations Grow?
Students examine how populations grow and how invasive species can affect the balance of ecosystems. They simulate the growth of lily pads, analyze and record the data, and simulate the results of an invasive species on an ecosystem.
Curated OER
Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
Curated OER
Standard 4-Ecosystems
In this ecosystem worksheet, high schoolers answer questions about energy pyramids, food chains, consumers, producers, decomposers, biotic and abiotic factors in an environment, natural selection and the importance of biodiversity in an...
Curated OER
Regents High School Examination: Living Environment 2005
The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...
Curated OER
Discovering Plants With Lewis and Clark
Students research plants and examine populations in ecosystems.
Curated OER
Bird Ecology Unit
Tenth graders conduct various activities utilizing the scientific method to formulate a hypothesis, conduct a controlled experiment, collect and analyze the data and communicate their results through a poster. They also identify...
Michigan State University
Bug Lyphe!
Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...
Curated OER
Populations and Ecosystems
Sixth graders define terms prey, predator, and scavenger, describe predator-prey relationship, discuss effects of a lack of predators in an environment, and separate the role of the scavenger from that of the predator.
Curated OER
Backyard Birds: Who's Who Out There?
Students practice techniques of field observation and data-gathering while studying local bird population, describe ecosystem as complex combination of elements, which can affect or be affected by each other, and determine effects of...
College at Brockport
Healthy Ecosystems
Is there a connection between the snowshoe hare population and the lynx population? Young scientists will examine this question and graph actual data to determine the relationship between these two species, as well as researching another...
Chicago Botanic Garden
Nature Walk and Ecosystem Introduction
A food web has no organism higher than a tertiary consumer because there wouldn't be enough energy left to sustain them. The fourth installment in a seven-part series begins with a nature walk to get pupils thinking about their...
Curated OER
Balance and Flux Reveal How Organisms Are Connected in Ecosystems
Students read about cats in Borneo and discuss role predators play in controlling population size. They map the interdependencies among species. They read about flux in ecosystems and complete a worksheet.
Curated OER
Population Patterns
Students study patterns of population growth in an ecosystem and why populations must remain in balance. They interpret basic population graphs and suggest scenarios about different population growth patterns in an ecosystem.
Curated OER
Ecosystems II
Middle schoolers engage in a lesson that is about the concepts related to the careful balance of an ecosystem. They identify the beneficial and harmful relationships that can exist with diverse populations in an ecosystem. The lesson...
Curated OER
Ecosystems and Habitats
Fourth graders go on a virtual field trip to five ecosystems. They investigate and videotape a temperate forest in the school's backyard.
Curated OER
Ecosystems
Seventh graders create a closed ecosystem and place it where is it visible to others in the school. They label it with posters describing the interdependence of living things in the ecosystem. They discuss what might happen to the...
Curated OER
Visualizing Vocabulary in an Ecosystem
Sixth graders observe the pond ecosystem. In this ecosystem instructional activity, 6th graders observe the organisms at the pond and create a poster that illustrates the pond.
Curated OER
The Delicate Balance within a Forest Ecosystem
Students examine the causes and effects of alterations in a forest ecosystem and evaluate how human actions may only seem to have minor consequences, but can lead to extinctions of large numbers of populations. Students produce an...
Curated OER
Micro-Ecosystems
Students create a sustainable, self-contained ecosystem in a ten-gallon aquarium.
Curated OER
Ecosystem Organization
Students examine the structure of ecosystems. In this ecology lesson, students listen to a lecture on relationships among organisms and biomes. Students use the information to create ecosystem organization pyramids.
Curated OER
Earth's Ecosystem: Seven Major Biomes
Students discuss the different types of ecosystems and the composition of biomes. Working in groups, they define various related terms and make posters of them. Then they explain their posters to the class.
Science 4 Inquiry
Snakes in the Everglades
The Burmese python is on the loose ... and he's hungry! Illustrate the differences between causative and correlative relationships through an inquiry instructional activity. Pupils examine several sources of information to determine if...
Science Matters
That’s An Otter Story
Young scientists discover how sea otters' habitats have changed due to human impact. Through conversation, video observation, and story reading, scholars identify how human interactions change a specific ecosystem in both positive and...
Howard Hughes Medical Institute
Lesson 4: Gorongosa's Food Webs
Who eats who in the savannas of Africa? Explore trophic levels with part four of an eight-part series of lessons focused around Gorongosa National Park. After young explorers identify animals using trailcam images, they construct a food...