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animal biology and e

agri enviro sci

Body plan , Body symmetry,layers,segmentation and external appendages
Protostomes (ch30M) Annelids, Arthropods and Molluscs. ( mouth first in glastula)
Deuterosomes Enchinoderms and chordates
Chanoflagellates Our nearest living relative. Same cells, same flagellated cells , same DNA sequences
diploblastic Two body layers
Collar cell choanocytes
spicule Cells which makes minerals for skeleton either of calcium carbonate or silica
spongin Collagen like substance a sponge is made from
hermaprodite Both male and female organs
archeocyte Amoeboid cells which can make egg cell in sponge
ciliate Has cilia (hair like structures)
gimmule A bud
Cnidarians Obelia. Jellyfish, hydra
polyp Hydra with mouth upwards and attached
medusa Free hydra
triploblastic 3 body layers . a flatworm
mesoglea Gelatinous non cellular material between ectoderm and endoderm in diploblasts
nematocyst Poisonous thread shot out from jellyfish
platylelminthes Flatworms dugesia and fasciola hepatica the liver fluke
pharynx Cavity between mouth and oesophague
nephridium Excretory organ in segmented worms annelida
pinching Body divided asexually into two in flatworms
miracidium Liver fluke larva which hatches from egg
Intermediate host in liver fluke life cycle snail
cercaria Tadpole like larval stage in liver fluke life cycle which emerges from snail
nematodes Roundworms, pseudocoelomate
lopophore Mouth covering on earthworm
trochopores Free living larva in earthworms
protostrome Mouth first in gastrula. Examples annelids , arthropods and molluscs
lophotrochozoan Annelid and arthropods
Clitellum Area for sperm exchange in earthworms
Subphylum hexapods insects
Mandible, maxillae Biting mouthpart
haemocoel Insect body cavity
epimorphic Insect born with segmentation
exoskeleton Made of chitin
unimarous Type of appendage in insect
ocelli Compound eye
Trachea and spiracles For gas exchange in insect
ecdysis Sheds exoskeleton
instar Term given to insect between moults
exopterygota Incomplete metamorphosis. ( several moults before adult as with cockroach)
Malpighian tubule Excretory organ in insect
mollusca snails, slugs octopus
mantle Makes shell
Rasping organ Scrapes up food
benthic Food on sea floor
apterygota No wings
Pterygota wings
paleoptera Primitive wings
neoptera Derived wings
endopterygota Complete metamorphosis as in butterfly
Created by: PDervin