The Search for Housing Pagurus hirsutiusculus= hermit crab

Students investigate interrelationships among organisms. In this salt water lesson, students create a model of a salt water ecosystem. They maintain and track changes in population, plant growth, and water quality.

For this biology worksheet, 9th graders describe the population of snails by determining how many shell thicknesses there are. Then they use the graph illustrated to determine whether it is possible that snails with very thin shells and...

Students review the terms and concepts: evolution, selection, biotic, and abiotic factors. They come up with hypotheses about limpet shell types based on what we discuss about intertidal environments. Students use ratios to compare...

Students study fossils. They examine samples of specific fossils--including a shark tooth, a brachiopod, and horn coral, among others. They visit corresponding websites and complete a worksheet regarding each of the fossils.

Students identify some consumer goods that come from the ocean. They classify these items into groups, identify their source, and calculate the cost of buying such goods.

Students distinguish between various plants and animals using pictures of the different organisms and explore the feeding habits of marine animals. They engage in a hands-on activity demonstrating various feeding habits of the mammals.

Students list characteristics and features of animals found in their community. They then group the animals according to how they are similar and different and create names for each group. They then create a chart of their...