Chapter 2 Vocab

Test date: Friday, May 28, 2010.

The Five Main Classes of Vertebrates

-fish

-amphibians

-reptiles

-birds

-mammals

The Five Kingdoms of Organisms

-Fungi

-Animalia

-Monera

-Protista

-Plantae

classification system - a scientific system used to sort and group organisms.

unicellular - consisting of one single cell.

multicellular - consisting of more than one cell.

cell membrane - a thin covering around an entire cell that acts as a gatekeeper by controlling which materials move into and out of the cell.

nucleus - the 'brain' of a cell, controlling its growth and movement.

chloroplasts - the part of the plant cell that holds the chlorophyll.

chlorophyll - a chemical produced inside of a plant that makes the plant green.

vertebrates - organisms that have a spine. (e.g) cows, dogs, humans, fish.

invertebrates - organisms that do not have a spine. (e.g.) jellyfish, worms.

micro-organisms - organisms that can only be seen under a microscope.

kingdoms - the five categories of living things.

species - organisms capable of breeding together and having fertile offspring.