Echinoids 0.0 / 5 ? GeologyEchinoidsA2/A-levelOCR Created by: HannahCavielCreated on: 28-03-17 12:13 what type of symmetry do all echinoids show? five-fold symmetry 1 of 28 do regular echinoids live in high energy or low energy environments? high energy 2 of 28 what is the echinoid phylum? echinodermata 3 of 28 what were the spines on a regular echinoid attached to? tubercles 4 of 28 what is the entire echinoid skeleton called? test 5 of 28 were echinoids able to move? yes 6 of 28 where did the tube foot protrude from in a regular echinoid? pore pairs 7 of 28 was an irregular echinoid infaunal or epifaunal? infaunal 8 of 28 was the mouth on the upper side or the lower side of the echinoid lower side 9 of 28 what were the three main functions of tube feet? attachment, movement and respiration 10 of 28 what controls the amount of water entering the water vascular system? madreporite 11 of 28 which plates were where the pore pairs where located? for regular echinoids ambulacral plate 12 of 28 which plates were where the tubercles were located? for regular echinoids interambulacral plates 13 of 28 where were the sperm and eggs released on an echinoid genital plate 14 of 28 what membrane protected the anus? periproct 15 of 28 did irregular echinoids live in high or low energy environments? low energy 16 of 28 what feature of the irregular echinoid prevented sediment moving into the mouth labrum 17 of 28 what was the name of the plate where the pore pairs are located on an irregular echinoid? petaloid ambulacral plate 18 of 28 what was the area on the oral side of the irregular echinoid which was covered in tubercles plastron 19 of 28 what part of the irregular echinoid was covered in cilia for feeding? anterior groove 20 of 28 what part of the irregular echinoid is covered in cilia for extretement? sub-anal fasciole 21 of 28 where did the excretement of the irregular echinoid go? sanitary tube 22 of 28 what type of symmetry do irregular echinoids have that regular echinoids don't? bilateral 23 of 28 how does the regular echinoid feed? uses jaws to graze 24 of 28 what are the jaws on a regular echinoid called? aristoles lantern 25 of 28 what is the centre of the aboral surface called? the apical system 26 of 28 what does the water vascular system do? help to extend the echinoids tube feet 27 of 28 what does the water vascular system do? help to extend the echinoids tube feet 28 of 28
Comments
No comments have yet been made