Ch 15: "Minor Phyla" - Rotifera and Chaetognatha Flashcards
1
Q
proto or deuterostomes?
A
protostomes
2
Q
corona
A
a ring of ciliated epithelium at the head for feeding and locomotion
3
Q
where do rotifera live
A
mostly freshwater, some films on moss, wet soil, a few marine
4
Q
rotifers, microscopic inverts are ? or ?
A
benthic, planktonic
5
Q
what is unique about rotifer cells/development
A
does not change after hatching; cells just get bigger and grow more nuclei - syncytal tissue
6
Q
gas exchange and excretion in rotifers
A
diff across body surface
7
Q
rotifer repro
A
parthenogenic females, no males
8
Q
Chaetognatha predation
A
- planktonic predators
- transparent ambushers
9
Q
what 2 features of Chaetognatha help in their predation
A
- ocelli
- sensory papilla
