Anaerobic RespirationGiving us credit when you use our content and technology is …
Anaerobic RespirationGiving us credit when you use our content and technology is not just important for legal reasons. When you provide attribution to CK-12 Foundation, you support the ability of our non-profit organization to make great educational experiences available to students around the world.Our Creative Commons License welcomes you to use our content and technology when you give us attribution. If you have any questions about our policies, contact us at support@ck12.org
In this unit students will draw conclusions about corals by examining the …
In this unit students will draw conclusions about corals by examining the behavior of hydra; explain and model how corals eat, grow, and reproduce; and explain the difference between hard and soft corals.
In this lab students will examine hydra, a fresh-water relative of coral, …
In this lab students will examine hydra, a fresh-water relative of coral, under a microscope to observe feeding behavior and identify stinging cells that are characteristic of corals.
In this activity students will explain and model how corals eat, grow, …
In this activity students will explain and model how corals eat, grow, and reproduce. Students will also explain the different types of symbiotic relationships that can exist between coral and the difference between hard and soft coral.
This interactive animation shows the user the process of meiosis and the …
This interactive animation shows the user the process of meiosis and the changes a cell undergoes at each stage of cell division. The resource does allow one to view meiosis as a continuous sequence or stop at any stage and review critical events taking place during each stage.
This is an online database of animal, distribution, classification, and conservation biology. …
This is an online database of animal, distribution, classification, and conservation biology. It is a searchable encyclopedia, science learning tool and virtual museum.
In this activity, students will work in collaborative groups to create 9M …
In this activity, students will work in collaborative groups to create 9M x 9M models of plant and animal cells. Class population can be split into 2 or 4 groups, with half the students constructing animal cells and the other half constructing plant cells. Students must organize and assign duties, provide materials for this activity, and write a written report. They will also give "Cell Tours" to other students and/or classroom guests.
Students will explore how human population growth, air pollution, agriculture, mining, water …
Students will explore how human population growth, air pollution, agriculture, mining, water use, and other human activities have impacted the environment and the mark they will leave in the fossil record.
The purpose of this video lesson is to expand the student's knowledge …
The purpose of this video lesson is to expand the student's knowledge about enzymes by introducing the antioxidant enzymes that are intimately involved in the prevention of cellular damage and eventual slowing of the aging process and prevention of several diseases. Students will learn that natural antioxidant enzymes are manufactured in the body and provide an important defense against free radicals. The topic of free radical action is introduced, covering how they are constantly generated in living cells both by "accidents of chemistry" and also by specific metabolic processes.
Although they are best known for their use in agriculture to increase …
Although they are best known for their use in agriculture to increase yields and fight crop diseases, genetic modification techniques are used in many different areas of biological research, including medicine. In this case study, we'll follow the process of developing an edible vaccine for the hepatitis B virus and explore practical details of genetic engineering techniques.
Students analyze a map of the North Polar region, test their knowledge …
Students analyze a map of the North Polar region, test their knowledge of the Arctic, and brainstorm examples of the interconnectedness of life in this region with life around the world.
Students will observe Mendel's Laws of Segregation and Independent Assortment through a …
Students will observe Mendel's Laws of Segregation and Independent Assortment through a series of monohybrid crosses with Brassica rapa plants. Students will make inferences supporting Mendel's laws on the basis of their interpretation of the results of these crosses.
This resource goes with the lesson plan "Alien Encounters -- Transcription and …
This resource goes with the lesson plan "Alien Encounters -- Transcription and Translation" . Students can use this resource to look up the DNA sequence for a specific disease of their choice, then enter the DNA sequence and find the amino acid sequence for the disease. Students can prepare a poster of a disease which would include information about the disease, the DNA sequence, RNA strand and amino acid chain.
This article can be used with the activity "Chemistry in your Bathroom" …
This article can be used with the activity "Chemistry in your Bathroom" or independently. In this article students will learn about surfactant, emulsifying agents, and surface tension. This lesson is great for teaching about the difference between hydrophyllic and hydrophobic molecules.
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