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30 terms

Biology Chapter 1 Vocab

all the bolded words in the textbook :)
STUDY
PLAY
Biology
the scientific study of life
Biosphere
All the environments on Earth that support life
Ecosystem
All the organisms living in a particular area, as well as nonliving components
Community
All the organims living in an ecosystem
Population
All the individuals of a species living in a specified area
Organism
An individual living thing
Organ System
Several organs that work together in performing specific functions
Organ
A part of the body that performs a specific function
Tissue
An integrated group of cells with a specific function and structure
Cell
A basic unit of living matter
Organelle
A structure that performs a function in the cell
Molecule
A cluster of atoms held together by chemical bonds
Emergent properties
New properties that emerge with each step upward in the hiearchy of life as complexity increases
Producers
Photosynthetic organisms that provide food
Consumers
Organisms that eat producers and consumers
Systems Biology
An approach to studying biology that aims to model the dynamic behaviors of an entire cycle
Prokaryotic
A simple cell found in microorganisms
Eukaryotic
A complex cell found in plants and animals
Genes
Units of inheritance that transmit information from parent to offspring
Species
Particular kinds of organisms
Domains
Three overarching groups that organize the kingdoms of life
Bacteria
A prokaryotic kingdom
Archaea
A prokaryotic kingdom along with Bacteria
Eukarya
A eukaryotic kingdom
Evolution
Darwin's theory that species living today are descendants of ancestral species
Natural Selection
Darwin's theory that organisms that are the best suited to their environment evolve
Hypothesis
A proposed explanation for a series of observations
Theory
A proposed explanation of many hypotheses that is based on evidence
Controlled Experiment
An experiment that is designed to compare an experimental group to a control group
Technology
The practical application of scientific knowledge