Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
biology ch. 12
| Question | Answer |
|---|---|
| Complete metamorphosis | insect development consisting of four stages: egg, larva, pupae, and adult. |
| Incomplete metamorphosis | insect development consisting of three stages: agg, nymph, and adult. |
| Exoskeleton | A body covering, typically made of chitin, that provides support and protection. |
| Molt | To shed an outer covering so that it can be replayed with a new one. |
| Thorax | The region between the head and the abdomen. |
| Abdomen | the body region posterior to the thorax |
| Cephalothorax | A body region composed of the head and thorax fused together. |
| Compound eye | An eye made of many lenses, each with a very limited scope. |
| Simple eye | An eye with only one lens |
| Open circulatory system | A circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood. |
| Statocyst | An organ of balance in a crustacean |
| Gonad | a general term for the organ that produces gametes. |
| Most spiders have poison glands and produce poison that they inject into their prey. Does that mean that we must fear most spiders because they are poisonous? | No, most spiders are not harmful to us. But few are like the black widow and the brown recluse. |
| An insect's outer wings are incredibly tough. Most likely, what kind of wings are they? | Horny wings |
| You can suffocate an insect by wrapping up its body, except for the head, and plastic wrap. Why, if the mouth is exposed to air, does the insect still suffocate? | Bc it's not getting enough air air through the spiracles. |
| An insect cannot digest food in its stomach due to a lack of digestive enzymes. Which organ is most likely not working? | Gastric ceca |
| An insect goes through a nymph stage in its development. Does it undergo complete or incomplete metamorphosis? | Incomplete metamorphosis |
| Suppose an arthropod lives in an ecosystem which contains no predators. The arthropod would never, ever be threatened. Would it need an exoskeleton in this situation? | yes |
| If you count the cephalothorax as one body segment, how many major segments does an arthropod with a cephalothorax have? | Two |
| An organism moves its joints with muscles that lie on top of the joint. Is the organism and arthropod? | No, arthropods muscles form under the joint |
| If an arthropod cannot taste something, but the rest of the nervous system is operational, what sensory organ is malfunctioning? | Antennae |
| Why do we say that arthropods are constantly bleeding internally? | Bc they have an open circulatory system |
| Although the gills of a certain crayfish seem to be working fine, the crayfish suffocates because it cannot get fresh water into the gill chambers. What organs are not working properly? | Maxillae And the swimmerets |
| A crayfish loses its claw in a fight. What happens? | The membrane closes and It will grow back |
| If a crayfish cannot stay upright in the water, what organ is most likely not working? | Statocyst |
Created by:
you-candoit