Nemotoda Lab Questions Flashcards
1
Q
How do they respire?
A
Diffsion
2
Q
How do they feed?
A
-Parasitic ones use absorption
-Free living
3
Q
What type of body cavity do they have? What are the advantages?
A
Pseudocoelom - space between organs and outside body to allow more movement
4
Q
How do they reproduce?
A
sexual
5
Q
What kind of digestive tract do they have?
A
Complete gut
6
Q
Purpose of the tegument?
A
-Protection
-Absorption of nutrients
7
Q
How many germ layers?
A
3 germ layers (triploblastic)
8
Q
Tissues present?
A
Yes
9
Q
Any organ systems?
A
Yes, an entire reproductive tract
10
Q
Is there symmetry?
A
bilateral
11
Q
How do they move?
A
Only have longitudinal muscle, so they appear to thrash around