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Exotic Invaders
Glossary of Terms for Exotic Invaders Mini-theme
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- Algae:
- Water plants - an important food for small water animals
- Amphibian:
- Animals that spend part of their life-cycle on land and part in water
- Ballast water:
- The water from the hold of big ships, used to keep the ship from tilting in big waves and wind.
- Bio-diversity:
- The number of different kinds of plants and animals in an ecosystem. A larger number of species means a healthier ecosystem.
- Ceolenterate:
- a member of the jelly-fish family
- Competition:
- Species who want the same light or nutrition from the soil are said to be in competition. Exotic Invaders compete with native plants for light, water and nutrients.
- Crustacean:
- An animal whose body is protected by an outer shell, for example a crab or a lobster (think "crusty")
- Dicot:
- Short for "Dicotyledon" , this means a plant with complex veined leaves
- Dormant:
- Some plant seeds can have an inactive period which can even last years until the conditions are right for them to grow.
- Food webs:
- If we study what plants and tiny animals eat, then who eats them, and who eats them, we can make a picture of what we learned called a food web.
- Herbicide:
- A chemical plant killer. Sometimes scientists have to use herbicides to kill off invading species that are harming other plants.
- Harvesting:
- Bringing in the crops is called harvesting but so is pulling out exotic invaders like purple loosestrife to get rid of them.
- Indigenous:
- It comes from the area it is in.
- Invasive:
- Means barging in to some place where you are not wanted. The exotic invaders are invasive.
- Mollusk:
- A mollusk is an animal that carries it's house like a snail.
- Monocot:
- Short for "Monocotyledon" which means plants with simple leaves like grass
- Native:
- Native means the same as "Indigenous" - coming from the place where they live. Exotic invaders are species that are not indigenous or native to an area.
- Non-Indigenous:
- This word means species that do not come from the place where they are living.
- Perennial:
- A perennial plant comes up again the next year without re-planting. A perennial problem just keeps happening over and over again.
- Predators:
- These are other animals or plants that eat others, and yes, there are plants that are predatory to flies and other insects.
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