1) abdomen, adj
2) burrow n, v
3) carnivore, n
4) cartilage, n
5) evaporation, n
6) feather, n
7) hatch, v
8) herbivore,
9) jaw, n
10) perception, n
11) scavenger, n
12) yolk, n
| a) either of two complex cartilaginous or bony structures in most vertebrates that border the mouth, support the soft parts enclosing it, and usually bear teeth on their oral margin;
b) to emerge from an egg;
c) a flesh-eating animal;
d) awareness of the elements of environment through physical sensation;
e) a hole or excavation in the ground made by an animal for shelter and habitation;
f) the process by which a liquid changes into a gas;
g) a plant-eating animal;
h) the yellow spheroidal mass of stored food that forms the inner portion of the egg of a bird or reptile and is surrounded by the white;
i) the part of the body between the thorax and the pelvis;
j) an organism that feeds habitually on refuse or carrion (dead flesh);
k) a somewhat elastic tissue that composes most of the skeleton of vertebrate embryos and except for a small number of structures (as some joints, respiratory passages, and the external ear) is replaced by bone during ossification in the higher vertebrates;
l) any of the light horny epidermal outgrowths that form the external covering of the body of birds.
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