A Beka Book Biology 3 Flashcards

Terms Definitions
Poikilotherms
Cold-blooded animals
Albumen
Egg white
Herbivores
Plant-eating animals
Ovaries
Female reproductive organs
Apes
Primates without tails
Oxen
Adult male domestic cattle
Nocturnal
Active during the nighttime
Caecilians
The slender, burrowing, wormlike amphibians; most species live strictly underground
Terrapins
Hard-shelled, edible turtles while live in fresh water
Barbs
Branches of a contour feather
Homeothermic
Maintaining nearly constant body temperature over a wide range of environmental temperatures
Viperids
Snakes with long, movable fangs attached to the front of the upper lip
Plastron
The lower shell of a turtle
Rachis
The stiff quill of a feather
Lagomorphs
Mammals with four upper incisor teeth
Mammary glands
Specialized epithelial cells which produce milk to nourish newborns
Eft
Terrestrial form of various members of the family Salamandridae
Dinosaurs
A large group of extinct creatures that resemble reptiles
Salt gland
Excretory gland located above the eye
Nectar guides
Striking patterns on flowers, only visible in the ultraviolet part of the spectrum
Embryo
What a developing mammal is called when it is attached to the blastula
Prehensile tail
A tail designed for grasping objects
Newt
Aquatic form of various members of the family Salamandridae
Gizzard
Part of the stomach lined with horny plates that grind the food
Flightless birds
Birds that have wings or winglike structures, however cannot fly
Intestine
Where food goes from the gizzard to the digested and the nutrients absorbed
Altricial
Birds that are naked and helpless at hatching
Down feathers
Soft, fluffy feathers close to the bird's body; provide insulation without adding weight
Endangered
Types of animals and plants that still exist today but are in danger of extinction
Omnivores
Animals that prey on both plants and animals
Game birds
Birds that have long been hunted for both food and sport
Nictitating membrane
A third eyelid that birds have in addition to their upper and lower eyelids
Baleen whales
Whales that have two rows of comblike plates that hang like curtains from each side of the upper jaw
Umbilical cord
The cord connecting the fetus to the placenta
Radial symmetry
A type of symmetry where the organism can be cut like a pie any way possible
Melon
A fatty organ lying in the bulge of the head of a sperm whale; responsible for transmitting sounds
Lateral undulation
A type of snake movement in which the snake bends into a series of curves as it keeps its body flat to the ground to move
Parietal eye
A "third eye" situated on top of the tuatara's brain with a hole in the skull just above it; senses radiation
Extinct
A type of animal or plant that is no longer found alive on the earth
/ 39
Term:
Definition:
Definition:

Leave a Comment ({[ getComments().length ]})

Comments ({[ getComments().length ]})

{[comment.username]}

{[ comment.comment ]}

View All {[ getComments().length ]} Comments
Ask a homework question - tutors are online