Chaetognatha Flashcards
1
Q
What is another name for the chaetognatha ?
A
Arrow Worms
2
Q
Describe their habitat
A
Marine, Benthic
3
Q
What clade do they belong to ?
A
Their own minor clade
Currently found between the deuterostomes and the lophotrocozoans.
4
Q
Give an adaption which enables them to process their prey.
A
Grasping spines on head made from chitin, Act as teeth allowing them to chew on prey
5
Q
Give an adaption which enables them defence against predators.
A
Poisonous glands which produce toxin. (bacteria- symbiosis)
6
Q
Give 2 morphological adaptions (movement and sensory)
A
Lateral fins- Locomotion,
Cephalisation of head