Chapter 1 Vocab - Vet CDE

Amino Acids

Compounds that contain both the amino (NH2) group and the carboxyl (COOH) group

Amphibia

Class of cold-blooded vertebrate animals with four limbs. Most do not have scales and go through metamorphosis

Animalia

Kingdom is composed of the invertebrates and vertebrates

Archaea

One of the 3 domains in the Woese taxonomy system, containing only the kingdom by the same name, Archaea

Aves

Class of warm-blooded vertebrates with 2 legs, wings, and feathers, which also lay eggs.

Bacteria

One of the 3 domains in the woese taxonomy system, containing the kingdom of organisms of the same name, bacteria

binomial nomenclature

linnaeus system of naming species in latin, where each species has a name composed of two words

cherts

rocks showing fossilized remains of blue-green algae

chordata

phylum in the kingdom animalia

dealers

individuals who sell regulated animals for research, exhibition, or as pets in the wholesale channels

ecosystems

community of living organisms and their environment interacting together to form a functional unit

eukarya

one of the three domains in woese taxonomy system, containing the kingdoms of animalia, plantae, protista, and fungi

feral

wild or untamed

fungi

A group of plants that lack chlorophyll and obtain their nourishment from other plants and animals. Fungi include molds, mildew, smuts, mushrooms, and certain bacteria.

invertebrates

animals without a backbone or spinal column

mammalia

The class of vertebrates that possess mammary glands, have a body that is more or less covered with hair, and possess a well-developed brain

mitochondrion

The part of the cell that carries out the chemical and physical processes that require oxygen

monera

kingdom of bacterial organisms that lack a true nucleus in the cell and reproduce by fission

natural selection

A process by which organisms change over time as a result of heritable physical or behavioral traits.

notochord

embryonic system that is usually replaced by a spinal cord

nuclear envelope

the boundary that surrounds the nucleus

nucleus

a spherical structure that contains the genetic information of an organism

osteichthyes

group of vertebrate animals that live in the water and have permanent gills for breathing, fins, and are usually covered with scales

paleontologists

scientists who deal with prehistoric life through the study of fossils

pariah dogs

semi-feral dogs that live in close approximation to towns, where they survive by scavenging on garbage

pharengeal

throat-area gill slits

photosynthetic organisms

organisms that convert light energy into chemical energy

placental mammals

animals that have a placenta through which the embryo and fetus are nourished while in the uterus

plantae

kingdom that includes all land plants; multicelllular photosynthesizing organisms

protists

protista - kingdom of single-celled, microscopic organism that contain a nucleus

protozoa

animal-like organisms that usually live in water; important because many are disease-causing organisms

reptilla

class of cold-blooded vertebrates having lungs, an entirely bony skeleton, a body covered in scales or horny plates, and a heart with two atria and (usually) a single ventricle

ribonucleic acid

an essential component of living cells

semi-feral

not completely tamed

stromatolites

layed structures created by the activity of primitive algae and bacteria

taxa

categories of animal classifications.

taxonomy

the science concerned with the naming and classification of organisms

trinomial nomenclature

Linnaeus’s system of naming species when a subspecies exists, thereby requiring three names

vertebrate

an animal having a backbone or spinal column