About This Chapter
Below is a sample breakdown of the Organism Interactions chapter into a 5-day school week. Based on the pace of your course, you may need to adapt the lesson plan to fit your needs.
|Day||Topics||Key Terms and Concepts Covered|
|Monday|| Interspecific Competition, Competitive Exclusion and Niche Differentiation; |
Predator / Prey Interactions, Camouflage, Mimicry and Warning Coloration;
Symbiotic Relationships: Mutualism, Commensalism and Parasitism
| Competition between various species in an ecosystem, and the coexistence of different species; |
Defense strategies of prey, and offensive tactics of predators;
A look at parasitism and commensalism between species
|Tuesday|| Populations: Density, Survivorship and Life Histories; |
Carrying Capacity, Migration and Dispersion
| Understanding life histories and survivorship curves; |
The reasons for migration and dispersion
|Wednesday||Dispersal, Colonization and Island Biogeography||How dispersal and immigration allow animals and plants to move to new surroundings|
|Thursday||Conservation Biology, Habitat Fragmentation and Metapopulations||The reduction of natural habitats and a look at populations that resulted from immigration|
|Friday||How Introduced and Invasive Species Alter Ecological Balance||The adaptation of species into new environments and their effect on existing ecosystems|
1. Interspecific Competition, Competitive Exclusion & Niche Differentiation
What happens when two similar species that consume the same resources occupy the same space? Interspecific competition, that's what! Watch our video lesson to learn about the outcomes of this ecological battle.
2. Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration
You probably know that skunks can be quite stinky, bees sting and monarch butterflies are pretty, but do you know why? This lesson will introduce you to the reasons why some animals look or act the way they do and how these things relate to the predator/prey relationship.
3. Symbiotic Relationships: Mutualism, Commensalism & Parasitism
If your cat or dog has ever had fleas, you've witnessed symbiosis in action. In this lesson, learn the many types of symbiosis in biology, and how these relationships can have a positive, negative, or neutral effect on the individual species.
4. Populations: Density, Survivorship and Life Histories
Have you ever wondered how biologists determine the populations of animals in a particular geographic area? Watch this video lesson to find out, and discover how scientists look at the survivorship and life histories of many different species.
5. Carrying Capacity, Migration & Dispersion
Have you ever wondered why some types of birds fly south in the winter or why some animals form territories? Watch this video to learn about a species' maximum growth capabilities, the way its members group themselves and why they might migrate to new locations every year.
6. Dispersal, Colonization, and Island Biogeography
Have you ever gone in your backyard and discovered a wild raspberry bush that has never been there before? How did it get there? Why is there only one bush year after year? In this lesson, you'll study how plant and animal species colonize in new areas through dispersal and immigration and how some species thrive in a new area while others fail.
7. Conservation Biology, Habitat Fragmentation, and Metapopulations
It's becoming harder to conserve large, unbroken tracts of wilderness. Is there another way for conservation biologists to ensure the survival of a species? In this lesson, you'll learn about habitat fragmentation and metapopulations.
8. How Introduced and Invasive Species Alter Ecological Balance
What happens to your block when a new neighbor moves in? Something changes, right? Now think about that on an ecological scale: what happens to an environment when a new SPECIES moves in?
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