Zoology I: Intro to Animals Test Review

made up of many cells

cells with a nucleus and other membrane bound organelles

cell walls.

they must consume other organisms to obtain energy and nutrients

at some point in their lives.

an organism that can move from place to place

finding food, running away from predators, finding shelter, finding a mate

An organism that does not move. It remains attached to one place.

low energy requirements, can live on small amounts of food

high energy and oxygen requirement

can't move about to find food, shelter, mates or to avoid predators

in water.

motile larvae.

organisms that move very little

a Greek philosopher who was the first to classify organisms according to their structural similarities

had 2 main groups: plants and animals

developed a hierarchy for classifying organisms that is the basis for modern taxonomy

a group of organisms in a classification system

two-word naming system that gives all organisms their scientific name

the genus and species name for that organism.

domain, kingdom, phylum, class, order, family, genus, species

Homo sapiens - which has to be either underlined (handwritten) or in italics (typed)

they are not unique.

a process by which organisms change over a period of time

show the evolutionary relationships thought to exist among groups of organisms

a tool scientists use to determine the identity of items in the natural world such as trees, flowers, mammals, reptiles, rocks, insects and fish

1.5 million species of animals.

are invertebrates

are mammals

porifera, cnideria, platyhelminthes, nematoda, annelida, Mollusca, arthropoda, echinodermata

a group of similar organisms that can breed and produce fertile offspring

of all animals are in the Phylum Chordata

of all species of animals are arthropods