ch.2 study guide.
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Created by:
sarahbrock on May 22, 2012
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22 terms
Terms | Definitions |
|---|---|
 name the three body sections? | head, abdomen, thorax. |
| explain compound eyes and why they are beneficial? | compound eyes-are eyes that contain many lenses. beneficial reason-they help capture light and help you see if there is a predator. |
| what is attached to the thorax? | the legs and wings. |
| abdomen | where most of the insects internal organs are located. |
| why is being able to fly beneficial? | because you can obtain food that way and escape from prey. |
| how do insects obtain oxygen? | they have tubes in their abdomen that get the oxygen then immediately. transport it to the cells. |
| insects mouth parts are highly specialized for obtaining food. | 1. getting nectatr 2. chewing wood |
| explain what happens in complete metamorphosis. | 1. egg 2. larva 3. pupa 4.adult |
| explain what happens in gradual metamorphosis. | 1. egg 2. nymph(- a miniature adult look a like.) 3.larger nymph 4.adult. |
| larva | the immature form of an adult insect that looks very different. |
| pupa | an insect changes from a larva to a adult. |
| nymph | a miniature adult look a like. |
| producer | an insect that makes its own food. |
| consumer | an insect that obtains energy from feeding on other insects. |
| decomposer | an insect that feed on dying or dead animals. |
| role of insect in a food chain | 1. consumer 2. prey 3. decomposer. |
| insects role carry pollen | pollination- they help with pollination by taking the pollen. |
| Insects as disease carriers | mosquito's can carry malaria. |
| Controlling pest- ways/pros/cons- | use predator, pesticide, and chemicals. |
| Pesticide | chemicals that u can use to kill pest. |
| Biological control | use other predators to kill the pest. |
| Insect body parts | head, thorax, abdomen you also have wings, compound eyes, antenna, and legs |
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