Invertabrates Flashcards
1
Q
INVERTEBRATES DEFINITION
A
No column/backbone
Segmented bodies
Exoskeleton
Jointed legs
2
Q
INVERTEBRATES
A
Crustaceans
Myriapods
Insects
Arachnids
3
Q
CRUSTACEANS
A
Body divided: cephalothorax+abdomen Exoskeleton 2pairs of antennae Compound eyes 5-20 legs Breathe by gills Ex:crabs, lobsters
4
Q
MYRIAPODS
A
Centipedes/Millipedes
Segmented bodies
1 pair of legs per segment (centipedes)
2 pairs of legs per segment (millipedes)
5
Q
INSECTS
A
Bodies: head+cephalothorax+abdomen
Abdomen: holes called spiracles to breathe
Can fly
Covered by a cuticle, prevents from losing H2O
Ex: flies, butterflies
6
Q
ARACHNIDS
A
Cephalothorax+abdomen Pairs of simple eyes 4 pairs of legs No wings Ex: spiders, scorpions