Pancrustacea Flashcards
(14 cards)
1
Q
What does mandibulata include
A
pancrustacea + myriapoda
2
Q
What is gas exchange like in crustaceans
A
Most possess distinct gills requiring constant flow of water
3
Q
What are the 4 types of feeding in crustaceans
A
- suspension feeders
- filter feeder
- deposit feeders
- predators
4
Q
What are some features of entognatha
A
- may have evolved independently from pancrustacean ancestor
- 6 legs
- primarily wingless
- mouthparts retracted into head
5
Q
What are the 3 orders of entognatha
A
- protura = no antennae + non contractile heart
- diplura = long antennae + no eyes
- collembola = furcula + collophore
6
Q
What are the 2 wingless orders of Insecta
A
- Archaeognatha
- zygentoma
7
Q
What is the general body plan on insecta
A
- head (6 segments)
- thorax (3 segments)
- abdomen ( 11 segments)
8
Q
How do Insecta respire
A
- via tracheal system
9
Q
How do Insecta reproduce
A
- mating stimulus induces female receptivity
- internal fertilisation
- stores sperm
10
Q
What are ephemeroptera
A
mayflies
11
Q
What are odonata
A
Dragonflies + damselflies
12
Q
What are polyneoptera
A
Generalist feeders with unspecialised mouthparts
Incomplete metamorphosis
13
Q
What are paraneoptera
A
Specialist feeders
Incomplete metamorphosis
14
Q
What type of metamorphosis do holometabola undergo
A
Complete metamorphosis
