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Unit 11 Ch 5&6
VOCABULARY QUIZ #3: 50-74
| Term | Definition |
|---|---|
| Threatened | when the population of a species starts to decline/decrease.- 1st step |
| Endangered | when the population of a species continues to decline/decrease- 2nd step |
| Extinct | when the population of a species has decreased so much that there are no more of the species- final step |
| Nonnative, exotic, invasive species | plants or animals that are not born in the ecosystem they’re living in and have no natural predators to keep them in check or balance. They take away water, space, soil, air from the native species |
| Barren | poor soil with little to no nutrients; not many plants can grow |
| Metamorphosis | the changes an organism goes through; start out looking very different from their parents; morph means to change. INCOMPLETE metamorphosis not as many steps as COMPLETE metamorphosis |
| Incomplete Metamorphosis | 3 stages of growth: Egg-Nymph-Adult. Insects that undergo incomplete metamorphosis include grasshoppers, cicadas, cockroaches, lice, toads, frogs, some salamanders, mantids, cockroaches |
| Complete Metamorphosis | egg, larva, pupal, and adult stages. The lifecycle of butterflies, ants, fleas, bees, beetles, moths, wasps; most insects, frogs, lobsters! |
| Photic Zone | the top zone in water zones (oceans, lakes) where light reaches |
| Aphotic Zone | the part of the ocean where light doesn’t reach; very dark and cold with few fish and plants |
| Energy pyramid | A diagram that shows the amounts of energy that flow through each level of a food chain |
| Food chain | Shows how energy moves from one organism to another |
| Carnivores | Animals that eat only meat |
| Omnivores | Animals that eat both plants and other animals |
| Herbivores | Organisms that eat only plants |
| Food web | Many food chains that show the interaction of organisms in an ecosystem |
| Producers | Organisms that make their own food for energy |
| Consumers | The organisms that cannot make their own food and eat other organisms to get energy |
| Predators | Animals that hunt animals for food |
| Prey | The animals that are being hunted for food |
| Decomposers | The organisms in a food chain or web that break down wastes, dead or decaying organisms |
| Organism | Any living thing, plant or animal |
| Cycle | A repeating process or flow of material through a system |
| Stimulus | Something that causes the activity of a living organism or one of its parts |
| Genetic Engineering | when a scientist changes the genes to create a more desirable organism. Example: corn has been modified by food engineers to be resistant to specific bugs. You may see this on a food label- GMO: genetically modified organisms. |
Created by:
ImagineCharter5th
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