Chap 28 Flashcards
Top lip of of a grasshopper:
Labrum
Bottom lip of a grasshopper.
Labium
The mouth part that holds food and moves it into the mouth:
Maxilla.
The part of the mouth used for crushing good.
Mandible
Thorax is made of 3 segments:
Prothorax, mesothorax, and metathorax.
Tymphanum.
On abdomen of insects. For sound.
Spiracles.
Each segment of an insect contains these for gas exchange (breathing)
How many segments in the abdomen?
11.
Incomplete metamorphosis.
Egg-nymph-adult
Complete metamorphosis.
Egg-larva-pupa-adult
The heart of the grasshopper is unique because:
It is almost as long as the abdomen.
Arthropoda circulatory system?
Open circulatory system.
Different types of lungs in Arthropods.
Uniramians: Spiracles and tracheal tubes
Chelicerates: book lungs/book gills
Crustaceans: gills
Excretion in arthropods:
Insects/spiders: Malphagian tubes Aquatic arthropods(lobsters): A pair of green glands.
Class Arachnidia.
2-part body (Cephalothorax+Abdomen) and mouthparts made up of pedipalps and chelicerae.
Crustaceans are characterized by:
- Hard exoskeleton(carapace)
- 2 pairs of antenna
- mouthparts called mandibles
Centipedes and millipedes are characterized by:
- Long wormlike body
- Many leg bearing segments
Insects are characterized by:
- Body divided into head, thorax and abdomen
- 3 pairs of legs stretched to the thorax
Waggle dance:
Food is more than 50m away
Round dance:
Food is within 50m
Phylum Arthropoda means:
Joint footed animals.
