Arthropods Flashcards
What is the most important characteristic of Arthropoda?
Jointed foot
What is the part for protection and support?
Exoskeleton
What is molting?
To change the exoskeleton, and to grow bigger.
What’s the circular system for Arthropoda
Open circulatory system
What is special about the eyes of Arthropoda?
It’s compounded
What is the excretory structure of Arthropoda?
Malgighian tubules
How does Arthropoda respirate?
Using spiriacles and trachae
What is the three segmentations
Head thorax abdomen
What is the fused head and thorax called
Cephalothorax
Subphylum Chelicerata
Subphylum Chelicerata
- Include class Arachnida. Spider, ticks, scorpions
- Have a cephalothorax and abdomen
- No antenna
What in spiders makes webs.(Chelicerata)
Spinerates
What are the pairs of jointed appendages? (Chelicerata)
Chelicerae-1 pair: claws and fangs
Pedipalps- 1 pair: used for feeding, sensing, transferring sperms
Walking legs-4 pair: Used for movement
Subphylum Crustacea
Is what is yummy: shrimps, lobsters, crabs
- have cephalothorax, abdomen
- 10 pairs of jointed appendages
- breathe through gills
What is terrestrial crustaceans called
Isopod: pillbugs/sowbugs
What is mandibles (crustaceans)
For chewing or tearing
What are lobsters and large crustaceans called?
Pecapods
What are the classes of Uniramia
Chilopoda
Diplopoda
Insecta
Chilopoda
Centipedes
Predators
Flattened body
Pincers can inject venom
Diplopoda
Millipedes
2 pairs of legs per body segment
Round body
Scavengers or herbivores
Insecta
3 pairs of legs Have all three of the body parts: head thorax abdomen Have wings in most All appendages attached to the thorax 9-11 segments in abdomen Mandibles for chewing
dramatic physical change
Metamorphosis
Complete metamorphosis
Change in form
小时候和长大的时候是两个不一样的样子
incomplete metamorphosis
整个长大的过程长的差不多，就是size的变化
