acoelomate
animal that lacks a coelom (body cavity); flatworms
analogous structure
a structure that has the same function but different construction and was not inherited from a common ancestor
anatomy
the study of body structure
asymmetry
no symmetry
bilateral symmetry
a body plan in which only a single, imaginary line can divide the body into two equal halves.
binomial nomenclature
a system for naming organisms with a unique two
coelom
body cavity
conservation
protecting and preserving natural resources and the environment
cytology
study of structure and function of cells
deuterostome
animal whose anus is formed from the blastopore; chordates and echinoderms
diploblast
an animal that develops from two embryonic germ layers; jellyfish, corals, anemones
domesticate
to tame a wild animal or plant to be useful to humans
ecology
the study of how living things interact with each other and their environment
embryology
study of embryos and their development
entomology
the study of insects
epithet
an adjective or descriptive phrase expressing a quality characteristic of the person or thing mentioned.
eukaryote
an organism whose cells contain a nucleus
eumetazoan
member of a clade of animals with true tissues. All animals except sponges and a few other groups are eumetazoans.
gastrulation
the process in which a gastrula develops from a blastula by the inward migration of cells
genetics
the study of heredity
herpetology
study of reptiles and amphibians
histology
study of tissues
homologous structure
similar structures in different species that are derived from a common ancestor
ichthyology
study of fishes
in situ
in its original place
mammalogy
the study of mammals
menagerie
collection of animals
ornithology
the study of birds
parasitology
the study of parasites
phylogeny
the evolutionary history of a species or group of related species
physiology
the study of body function
protostome
an animal whose mouth is formed from the blastopore; mollusks, annelids, arthropods
protozoology
the study of protozoa
pseudocoelomate
an animal whose body cavity is not completely lined by mesoderm; roundworms (nematodes)
radial symmetry
symmetry about a central axis.
scientific name
a unique name given to each species, consisting of its genus and its species epithet
systematics
a scientific discipline focused on classifying organisms and determining their evolutionary relationships.
taxonomy
the theory and practice of identifying, describing, naming, and classifying organism
triploblast
an animal that develops from three germ layers
zoology
the study of animals