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22 Cards in this Set
- Front
- Back
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Open Circulatory System |
A circulatory system that allows the blood to flow out of the blood vessels and into various body cavaties so that the cells are in direct contact with the blood |
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Thorax |
The body region between the head and the abdomen |
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Abdomen |
The body region posterior to the thorax |
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Compound eye |
An eye made of many lenses, each with a very limited scope. |
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Simple eye |
An eye with only one lense |
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Cephalothorax |
A body region composed of the head and thorax fused together |
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Exoskeleton |
A body covering, typically made of chitin, that provides support and protection |
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Molt |
To shed an old outer covering so that it can be replaced with a new one |
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Complete metamorphosis |
Insect development consisting of four stages: egg, larva, pupa, and adult |
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Incomplete metamorphosis |
Insect development consisting of three stages: egg, nymph, and adult |
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What phylum have we been studying? |
Arthropoda |
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Classes we have studied: |
Crustacea- crayfish Arachnidia- spider Chilopoda- centipede Diplopoda- millipede Insecta- grasshopper |
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Characteristics of all arthropods |
1. Exoskeleton 2. Body segmentation 3. Jointed appendages 4. Ventral nervous system 5. Open circulatory system |
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Characteristics of arachnids |
1. 4 pairs of walking legs 2. 2 body segments 3. No antenna 4. Book lungs 5. 4 pairs of simple eyes |
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How are insects different |
1. 3 pairs of walking or jumping legs 2. Usually have wings at some stage of their life 3. One pair of antenna 4. 3 body segments |
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Stages of complete metamorphosis |
Egg, larva, pupa, and adult |
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Stages of incomplete metamorphosis |
Egg, nymph, and adult |
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How do insects receive oxygen |
Tracheas are connected to the outside through a series of small holes (spiracles). Air runs throughout body providing oxygen to all tissues |
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Orders we have studied |
Lepidoptera- butterflies and moths Hymenoptera- ants, bees, and wasps Coleoptera- beetles Diptera- flies, gnats, and mosquitos Orthoptera- grasshoppers and crickets |
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Which order has horny wings protecting membranous wings |
Coleoptera |
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Leather-like wings protecting membranous wings |
Orthoptera |
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Why do some arthropods molt |
As the body gets bigger, the exoskeleton gets more constricting and they have to molt to be able to get bigger |
