Social Media

Friday, May 11, 2012

8th grade study guide

  • Workbook pages 196-224
  • Workbook pages 331-370
  • Fish coloring packet
  • Mammals coloring packet
  • Grizzly Bear videos and student organizer
  • Symbiosis videos and student organizers
  • Class activities from this week
  • Shark powerpoints
  • Vocabulary quizzes

  • What is a chordate? What are the major characteristics that all chordates have at some point in their life? When do humans have a gill slits and a postanal tail? Are all chordates vertebrates? What are the major groups of vertebrates?
  • What is a fish? What are the three types? How do fish get oxygen? How do fish keep from sinking or floating? How do fish prevent osmosis and dehydration?
  • What are amphibians? What are different types of amphibians? How do amphibians breathe? What is special about amphibians in regards to environmental issues?
  • What is a reptile? What is the largest group of reptiles? Why are reptiles important? Why can reptiles lay their eggs on land? What is environmental sex determination?
  • Describe lift. How does it work? What animals use life? Birds and sharks.
  • Describe major characteristics of birds.
  • What makes a mammal a mammal? What are the different types of mammals? Examples of each?
  • What are the major differences between sharks (cartilaginous fish) and bony fish like perch? Know at least 3.
  • What is a living fossil?
  • Why are top predators, usually animals that live a long time and become sexually mature late in life, especially important to ecosystems and especially vulnerable?
  • Why are shark populations threatened and in some cases endangered?
  • What are some of the issues surrounding grizzly bears in yellowstone park? Why did the grizzly population first decline? How did it first come back? What are some interactions between humans and bears now? Should grizzlies stay protected by the endangered species act? What do grizzlies eat? Why are they threatened now?
  • What is symbiosis? Describe the different types? Which type is ++ +- +0 ? why is there not a --? give an example of each type.
  • What is malaria? How is it transferred? What type of symbiotic relationship is it in?
  • Describe what a biosphere, ecosystem, population, and habitat are.
  • Describe competition and predation. Why are they not symbiotic relationships?
  • What is a limiting factor? Examples.
  • Explain carrying capacity. How are carrying capacity and limiting factors related? What is the carrying capacity of the earth for humans? What are limiting factors for humans on earth? How many humans are on earth now? When will we reach out carrying capacity? What is exponential growth? Describe it.
  • How are producers and consumers different? What is a niche? How do niches decrease competition?
  • What is an abiotic factor and a biotic factor? Important abiotic factors... How does latitude affect temperature and how does elevation affect temperature?
  • What are the components of climate? How does climate affect life in an area?
  • Describe the water cycle, the nitrogen cycle, and the carbon cycle.
  • What are decomposers and why are they important to ecosystems. FBI. Give Examples.
  • How do humans affect the nitrogen cycle? Oil is used to produce nitrogen fertilizers. Run off into rivers. Example dead zone in the gulf of Mexico.
  • Chemosynthesis. Hydrothermal vents.
  • Energy pyramids and trophic levels. Transfer of energy. How much energy is transferred up to each level? Why? Why are there very few top predators? Why do the biggest animals on the planet eat plankton?
  • Biomes. Describe the major plants and animals and the climate of earths major biomes. Which do we live in? How do you know? Give examples of other places that are the other types of biomes.
  • Aquatic ecosystems. What's the difference between a lake and a pond? What is an estuary? What is a wetland? Why are they super important? How are humans threatening these habitats?
  • Rain shadow. What is it? How does it work? Where are they?
  • Sampling technique. Why do scientists use sampling? Describe how it is used.