Studied by 0 people
Looks like no one added any tags here yet for you.
What are the five classes of arthropod?
- Crustacea
- Arachnida
- Insecta
- Chilopoda
- Diplopoda
How many body segments do arthropods have?
2 to 3
How many body segments do insects have?
3
How many body segments do crustacea have?
2
How many body segments do diplopoda have?
2
How many body segments do chilopoda have?
2
How many body segments do arachnida have?
2
How many leg pairs do arachnida have?
4
How many leg pairs do insecta have?
3
How many leg pairs do crustacea have?
5+
How many leg pairs do diplopoda have?
2 pair per segment
How many leg pairs do chilopoda have?
1 pair per segment
How many antennae do arachnida have?
0
How many antennae do crustacea have?
2 pairs
How many antennae do insecta have?
1 pair
How many antennae do diplopoda have?
1 pair
How many antennae do chilopoda have?
1 pair
Define: ommatidium
compound eye comprised of individual photo receptor units
Define: Ocellus
Simple eye consisting of a single lens
What type of eyes do arachnida have?
Simple
What type of eyes do crustacea have?
Compound
What type of eyes do insecta have?
Can have compound and simple eyes
What type of eyes do chilopoda have?
simple
What type of eyes do diplopoda have?
simple
What is the proper name for the "upper lip" of insects?
Labrum
What is the proper name for the "jaws" of insects?
Mandibles
What is the proper name for the "tongue" of insects?
hypopharynx
What is the purpose of insect maxillae?
orient food during consumption
How many segments do insect legs have?
5
What is the purpose of the foregut (Alimentary canal)
Early digestion and nutrient uptake
What are the three major parts of the foregut?
The esophagus, crop, and proventriculus
The crop is primarily used for ____________.
Food storage
What are the sections of the midgut?
Gastric caeca and ventriculus
Which section of the insect digestive tract is NOT lined with a cuticle?
The midgut
What is the major function of the midgut?
Digestion
What is the purpose of the insect rectum?
water reabsorption
What is the main function of the hindgut
Excretion
What are the major parts of the hindgut
Malpighian tubules, Ileum, Colon, Rectum, and anus
What is the function of the malpighian tubules
absorption from hemolymph (kidneys)
Grasshopper mouthparts
Grasshopper external anatomy
Grasshopper internal anatomy
Grasshopper leg anatomy
Note 
Flashcard (25)