Arthropoda 2 Flashcards
1
Q
Subphyllum Chelicerata
A
- “Cherlicera” = claws/jaws/fangs
- Horseshoe crabs, scorpions, spiders, harvestmen, ticks and mites
- Body divided in Cephlathorax and abdomen
- 4 pairs of matching legs and no antenna
- Chelicerae and pediplaps
- Booklungs or trachae
- Indirect sperm transfer
2
Q
Mouths
A
- Chewing - grasshoppers, dragonflies, beetles - herbivourus, predators, scavengers
- Piercing-sucking = planthoppers, true bugs, mosquitos - plant/blood suckers
- Sucking - butterflies, moths - nectar feeders
- Sponging/sucking - flies - fluid and dissolved food feeders
- Cutting/sucking - horseflies - bloodfeeders
- Chewing/lapping - bees, bumblebees - nectar and pollen feeders
3
Q
Subphyllum Hexapoda
A
- “Hexa” = six, “Poda” = feet
- 75% of all animal species
- 1 pair of antenna
- Thorax has 3 leg pairs and 2 wing pairs
- trachae gas exchange
4
Q
Hexapoda success
A
- Great adaptablity
- Well-adapted exoskeleton
- High fecundity
- Small body size
- Capable of flight
- Well0developed sensorial organs
5
Q
Hexapoda reproduction
A
- Internal fertilisation
- Sexual organs for direct sex transfer
- Sexual dismorphism
- Courtship rituals and nupitial gifts
6
Q
Ametabolous
A
many moults even as adult
7
Q
Hemimetabolous
A
around 5 moults until adult form
8
Q
Holometabolous
A
complete metamorphisis
9
Q
Social insects
A
- Termites (suborder Isoptera), ants and bees (Order Hymenoptera)
- Roles of king, Queen, workers and soldiers
- Only the queen reproduces
- Workers, soldiers have no wings or sex organs
- Honeybees communicate using “waggle-dancing”
