Phylum Annelida Flashcards
1
Q
meaning of annelus
A
little ring
2
Q
Phylum Annelida are…
A
segmented worms
3
Q
habitat of segmented worms
A
aquatic or terrestrial
4
Q
habit of segmented worms
A
free living
5
Q
Body cavity is a true coelom divided by?
A
septa
6
Q
body has _____ segments
A
numerous
7
Q
three different sections of body
A
prostomium (head), trunk, pygidium (anal)
8
Q
respiration
A
cutaneous; mostly innervated by blood vessels
9
Q
nervous system
A
anterior nerve ring, ganglia and a ventral nerve cord
10
Q
circulatory system
A
true closed circulatory system.
11
Q
excretion
A
nephridia
12
Q
invertebrate organ, found in pairs and performing a function similar to the vertebrate kidney (remove metabolic wastes from an animal’s body)
A
nephridia
13
Q
reproduction
A
sexual and asexual
14
Q
development
A
direct
15
Q
classes under Phylum Annelida
A
Polychaeta, Oligochaeta, Hirudinea
