Zoology - Unit 6

Terms in this set (33)

Fused clavicles of birds

Offspring that can walk, run, swim, and feed themselves at hatching

Respiratory opening, allows snake to breathe while swallowing

Feathers located under the other feathers and are used for insulation

Used in reptiles to differentiate light and dark periods

U.S. Poisonous lizard

Membrane that stores embryonic waste

Time periods when females are receptive to mating

Organisms that produce their own body heat

Membrane that aids in gas exchange

Periodic round trips to and from breeding areas

Period of time when an individual has reduced metabolic activity

Membrane that encloses the nutrients for the growing embryo

Very common protein found in scales, hair, and feathers

Mammal organ that allows for the exchange of nutrients between mother and fetus

Feathers that cover most of the surface of birds

Periodic replacement of flight feathers

Your clostest living relative

Jacobsons organs

Olfactory receptors at the end of the tongue

Fluid filled membrane that protects the embryo from shock and desiccation

Organisms with specialized teeth; mammals

Muscular organ mammals use for respiration

Rely on the environment for body heat

Period of time which fetal development takes place

Heat sensitive structures used to identify prey

Offspring completely dependent of parent

Egg with extra embryonic membranes that protect the embryo

Glands that produce milk

Ventral portion of shell

Gringing organ of digestion

Dorsal portion of shell

Feathers on wing and tail

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