Echinoderms and Annelids Flashcards
(20 cards)
What kind of worm has a true coleum, and what is a coleum?
A coelum is an internal cavity, segmented worms
What kind of worm is not typically parasitic?
segmented worm
What phylum is the earthworms?
Annelida
What are the 3 kinds of worms?
Round worms, flat worms, segmented worms
What worms are hermaphroditic?
All worms
What are the 3 purposes of the echinoderms’ water vascular system?
locomotion, digestion, respiration
How are the 3 phyla of worms categorized?
Based on their body features
What type of worm has a closed circulatory system?
Segmented worms
How are worms useful to humans?
Poop is rich in nitrogen, food, exoskeleton is fertilizers
Which worms have nematodes?
Round worms
What body plan do most echinoderms exhibit?
radial
What kind of worms have pseudocoleum?
Every worm but annelids
What worm has an open circulatory system?
Round and flat worms
Where are echinoderms located?
Marine
Which worms are parasitic?
All worms but segmented worms
What is an example of segmented worms?
leeches, earthworms
What are echinoderms made up of?
Calcium carbonate
Which echinoderms are sessile?
Sea lilies
Do echinoderms produce sexually or asexually?
Both
What is the phylum of earthworms?
Annelidas
