Learners discover how organisms are dependent on one another for survivial. They also discuss how to conserve natural resources. They compare and contrast the different types of symbiotic relationships as well.

Students play a game that replicates the balance of prey and predators in an ecosystem. For this physical education lesson, students follow the instructions to play "Oh Panther!" Students collect data regarding the game and discuss the...

In this food web relationships activity, learners click on the links to learn about the food web relationships in the wetlands and answer short answer questions about it. Students complete 8 questions total.

In this screech owl activity, students complete activities to learn about screech owls after reading Screech Owl at Midnight by C. Drew Lamm. Students learn how to attract owls, investigate owls in their community, and define words...

Students conduct an experiment to demonstrate how fruit fly populations are controlled by spiders. They observe a variety of environments with fruit flies and spiders and consider how vital spiders are to controlling the insect population.

Seventh graders examine the concept of an ecosystem and how there is a variety of representations of life that exist there. They look at the equilibrium that is reached in stable communities and how the variable of change in...

Students participate in a game in which they discover the balance of life in the ocean. They identify different organisms that rely on different types of food. They answer questions to complete the lesson.

Students study about the survival and hunting strategies of several different kinds of spiders. They also be introduced to scientific classification of spiders and write a brief report about one of the spider families they observe.

Students correctly identify some fishes of Texas and parts of their ecosystem.

Tenth graders analyze the growth rate of different population. In this biology experiment, 10th graders identify the biotic and abiotic factors that limit population size. They create a poster to show their findings in class.

A lesson outlining activities for a science unit where pupils can learn about the relationships and the flow of energy within an ecosystem. These include predator and prey, hosts and parasites, and consumers, producers, and decomposers.

Examine the predator/prey relationship between wolves and moose in Alaska's Denali National Park and discuss how the balance of nature works between these two animals.

Describe the habitat, food web and ecosystem of shark species. Identify threats to sharks and explore how top predators help to maintain the balance of nature within ecosystems. This lesson plan also contains an interactive game.

Understand that an ecosystem such as the Kalahari has a system of checks and balances to ensure that no species overpopulates and threatens the survival of other species. Chart a food chain and explore the balance between predator and prey.

Students are asked to explain the predator/prey relationship and how it helps to maintain the balance of the ecosystems.

Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem...

Identify mammals of the Namib Desert, categorize which are predators and which are prey and discuss the balance of nature in Namib.