8. 11(c) explore how short- and long- term environmental changes affect organisms and traits in...
TRANSCRIPT
8. 11(C) explore how short- and long-term environmental changes affect organisms and traits in subsequent
populations
Environmental Changes can be natural such as _____, _____, ______, and ______ to
name a few. Also, Environmental changes can be human impacts such as _____, ______, ______, and
_______.
Long-term change effects- environmental change that occurs slowly over time and
affects organisms over generations
Short-term change effects- environmental change that occurs quickly and affects
organism immediately
Biodiversity
Technical Definition: A structure, behavior or other trait in an organism that helps it to survive in its environment.
Image from: http://www.education.com/files/25001_25100/25038/file_25038.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science Glossary, page 310.
The variety of organisms in an environment or ecosystem.
Natural Selection
Technical Definition: The process by which organisms with traits best suited to an environment survive and pass their traits to the next generation more often than organisms without these traits.
Images adpated from: http://www.hickerphoto.com/data/media/40/snow-white-arctic-fox_29632.jpg & http://www.arkive.org/media/6E/6E96B6F5-59DF-4B8F-91C9-A4F023ED7FBE/Presentation.Large/Arctic-fox-in-winter-coat-mouth-open.jpg; Technical Definition from: www.thefreedictionary.com; Student Definition: adapted from Access Science Glossary, pg 202.
Helpful traits are passed on to new generations.
Which fox is best suited for the environment?
Adaptation
Technical Definition: A structure, behavior or other trait in an organism that helps it to survive in its environment.
Image from: http://www.education.com/files/25001_25100/25038/file_25038.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science Glossary, page 310.
A change in an organism that helps it survive.
Migration
Technical Definition: The seasonal movement of a complete population of animals from one area to another.
Image from: http://www.paulnoll.com/Oregon/Birds/Avian-migration-Swans.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 501.
The movement of animals due to a change in season or due to a permanent need.
Camouflage
Technical Definition: The concealment by disguise or protective coloring.
Image from: http://bp1.blogger.com/__GX3PlNzEG0/RwUFJD6a2vI/AAAAAAAAApQ/ZKrdC2t5Bxo/s1600-h/camouflaged-animals-1.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from www.thefreedictionary.com
Blending in to the environment
Diapause
Technical Definition: A period during which growth or development is suspended and physiological activity is diminished, as in certain insects in response to adverse environmental conditions.
Image from: http://www.glyphguy.com/blogs/2008/11/; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from www.thefreedictionary.com
Insect form of hibernation
8. 11(D) recognize human dependence on ocean systems and explain how
human activities such as runoff, artificial reefs, or use of resources have
modified these systems.
Some examples of ocean systems:
Pollution
Technical Definition: Contamination of soil, water, or the atmosphere by the discharge of harmful substances.
Image adapted from: http://blog.lib.umn.edu/schne644/architecture/; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science, page 106.
Harmful substances mixing with the air, land, and/or water.
Overfishing or Overharvesting
Technical Definition: To fish to such a degree as to upset the ecological balance or cause depletion of living creatures.
Image from: http://www.endoverfishing.org/newengland/newsroom/images/Overfishing-Thousands-of-Pounds-of-Jack-Mackerel-NOAA-Images.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: Common Knowledge
Catching large numbers of fish so as to deplete their populations.
Dead Zones
Low-oxygen areas in the world's oceans.
The Gulf of Mexico dead zone near the mouth of the Mississippi River (Photo courtesy NOAA).
Image from: http://www.ens-newswire.com/ens/mar2008/2008-03-11-091.html; Definition: www.thefreedictionary.com
Artificial Reef
a human-made underwater structure, typically built for the purpose of promoting marine life
Image from: http://www.ens-newswire.com/ens/mar2008/2008-03-11-091.html; Definition: www.thefreedictionary.com
Watershed
Technical Definition: An area that is drained by a river and all the streams that empty into it.
Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.
Area of land that drains water from a higher area of land to a lower level of land and into a stream.
Dependence on Natural Resources
Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.
something needed or greatly desired
Watershed
Technical Definition: An area that is drained by a river and all the streams that empty into it.
Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.
Area of land that drains water from a higher area of land to a lower level of land and into a stream.
Groundwater
Technical Definition: Water beneath the earth's surface.
Image adapted from: http://jnuenvis.nic.in/subject/freshwater/groundwater3.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science, page 107.
Water located the Earth’s surface.
Surface Water
Image from: http://www.kidsgeo.com/images/surface-water.jpg; Definition: www.thefreedictionary.com.
Water that is located at the Earth's surface.