Ninth graders examine the three worm phyla. In this classification instructional activity, 9th graders observe, compare and contrast the planarian, tapeworm, and fluke.

Students identify types of worms. In this organisms lesson, students are shown slides of the different types of worms and take notes on each worm. Students answer questions about each worm.

Tenth graders estimate the size of an adult cheetah by research and measurement of a picture. They determine the approximate distance and speed of the cheetah from a filmed chase and compare that to their own running speed.

Young scholars 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...

In this malaria learning exercise, students answer 8 short answer questions regarding the disease malaria, what causes it and how it can be controlled.

Students record data found at an assigned web site. In this data collection lesson, students access an assigned web site in order to complete a data chart about animals they see. They travel to different sections of the web site to find...

Students research bird migration and build a bird house. For this bird lesson plan, students research the birds in their area and where they migrate to. They also build their own bird house and record data on what kinds of birds come to...

Students identify various animals and their habitats, as well as their specific traits In this animal habitat lesson, students list animals they've seen in their backyard. Students select one animal and do research. Students then answer...

Students investigate jungles and the people who depend upon them.  For this sustainability lesson, students research wild life conservation and discover the importance of a jungle to Amazonian people.  Students create a group...

In this food web relationships learning exercise, students 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 online interactive English vocabulary skills worksheet, students respond to 13 multiple choice questions that require them to fill in the blanks in sentences with the appropriate prepositions.

Seventh graders research organisms in the Merritt Island National Wildlife Refuge. They create a picture book demonstrating their understanding of relationships.

Sixth graders discover the various habitat requirements for assorted household pests from ants to wasps. They conduct various activities including researching the life cycles moths, cockroaches, and mosquitoes

The biggest challenge in a parasite's life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival- sometimes even by direct brain...

A brief definition of symbiotic, followed by explanations of mutualism, commensalism, and parasitism.

Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.

Students research the relationship between hosts, parasites, and vectors for common vector-borne diseases and evaluate how climate change could affect the spread of disease.

This competent site discusses the three different types of mites that goats can host. A life cycle of mites is described as well.

Describes roundworm characteristics, including their classification, habitat, reproduction, infection of humans and pets, and how they are transmitted to other hosts. Includes some examples and the diseases they cause.

[Free Registration/Login may be required to access all resource tools.] Overview of symbiotic relationships.

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

An overview of the structure of protozoa. Identify those protists with hair or tails as well as those which cannot live on their own and require a host.

Today, about a third of the world's population is infected with a strange disease called toxoplasmosis-and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in...