|
Erstellt von Matshidiso Molete
vor mehr als 7 Jahre
|
|
Frage | Antworten |
evolution | gradual process in which life forms change over time |
aerate | to introduce oxygen |
gizzard | a specialised stomach made of strong muscle tissue to help with digestion |
phylogenetic tree | branching diagram showing the inferred evolutionary relationships between species |
body plan | plan for the way the body of an organism is laid out |
asymmetrical | body plan with no axis of symmetry |
sessile | animals permanently attached to a substrate |
radial symmetry | body parts arranged regularly around a central axis of symmetry |
longitudinal | along the length |
bilateral symmetry | configuration of a body that can be divided longitudinally into two halves that are mirror images |
motile | capable of independent locomotion |
anterior | the head end |
posterior | end opposite the head |
marine | living in sea water |
cephalisation | an evolutionary trend in the animal kingdom toward centralisation of neural and sensory organs in the head or anterior region of the body |
Germinal layer | layer produced by embryonic development of different kinds of cells |
mesoderm | the middle layer of cells in triploblastic animals |
specialised | has a structure with a particular function |
diploblastic | animals formed from two germ layers |
mesoglea | a middle layer of a jelly-like material in diploblastic animals |
triploblastic | describing animals formed from three germ layers |
coelom | body cavity formed by a split in the mesoderm |
acoelomate | animal without a body cavity |
coelomate | animal with a body cavity |
haemocoel | a blood-filled body cavity often present in invertebrates |
osculum | a mouth-like opening in sponges through which water and wastes exit |
paralysed | cannot move |
dorsoventrally | referring to the view from the top to the bottom surface of an animal |
hydrostatic skeleton | a fluid-filled cavity under pressure |
appendages | parts of the body that are attached but move separately (e.g. legs) |
notochord | a rod of cells along the dorsal side of a chordate's embryos |
protostomes | during the development of the embryo the mouth develops first |
deuterostomes | during the development of the embryo the anus forms first |
diversity | having a variety of different species in an area |
Möchten Sie mit GoConqr kostenlos Ihre eigenen Karteikarten erstellen? Mehr erfahren.