Mid Term Review Flashcards
A retractable group of feathers on front wing
Alula
Egg white
Albumin
Substances produced by bacteria mold and certain other organisms that are effective in stopping bacteria growth
Antibiotics
Y – shaped protein molecules that act like molecule or “homing missiles”
Antibodies
Solid hornlike structures which are shed annually
Antlers
Even toed ungulates
Artiodactyls
When something can be cut in half and each half looks like each other
Bilateral symmetry
Limbless amphibians
Caecilians
The belief that life exploded onto the scene
Cambrian explosion
Condition caused by runaway growth of the body’s cells
Cancer
Supports the yolk
Chalaza
Pigment cells that control skin coloration of amphibians, fish, and reptiles
Chromatophores
Strong feathers that give birds their shape
Contour feathers
Where all factors are identical except one being tested
Controlled experiment
The place where bird store their food
Crop
Soft, fluffy feathers that provide insulation
Down feathers
Provide shape for flight
Flight feathers
Migration routes
Flyways
Remains of plants, animals, and humans preserved in sedimentary rock
Fossils
Location where embryo develops
Germinal spot
When animal sleep through the winter and their temperature drops to it in a degree or two of freezing point
Hibernation
Hollow structures which are usually permanent and not shed
Horns
Tentative solution to a scientific problem
Hypothesis
Keeping the eggs warm
Incubation