AP Biology- Chapter 1

33 terms by heidimcallister

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These vocabulary words are from the 8th Edition of Campbell- Reece BIology book

emergent properties

New properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases.

biosphere

the regions of the surface and atmosphere of the Earth where living organisms exist

ecosystems

a specific biological community and its physical environment interacting in an exchange of matter and energy.

communities

Groups of organisms inhabiting the same region and interacting with each other

populations

consists of all the individuals of a species living within the bounds of a specified area

organisim

individual living things

organ system

two or more organs that work in a coordinated way to carry out similar functions.

tissues

groups of cells that have similar abilities and that allow the organ to function

cells

basic unit of life

organelles

specialized structure that performs important cellular functions within a eukaryotic cell

molecules

Groups of two or more atoms held together by chemical bonds.

systems of biology

an approach to studying biology that aims to model the dynamic behavior of whole biological systems

eukaryotic cell

cell that has a nucleus and other membrane-bound organelles

prokaryotic cell

A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles; found only in the domains Bacteria and Archaea.

DNA

deoxyribonucleic acid, the material that contains the information that determines inherited characteristics

gene

A segment of DNA on a chromosome that codes for a specific trait

locus

the specific site of a particular gene on its chromosome

genome

the ordering of genes in a haploid set of chromosomes of a particular organism

negative feedback

accumulation of an end product of a process slows that process

positive feedback

an end product speeds up its production

bioinformatics

the use of computational tools to store, organize, and analyze the huge volume of data that result from high-throughput methods

domain bacteria

a domain of prokaryotic bacteria the consists of cocci, bacilli, and spirilli shaped cells organized into strepto- and staphlo- groups

domain Eukarya

domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals

domain archaea

Any of various single-celled prokaryotes genetically distinct from bacteria, often thriving in extreme environmental conditions

inquiry

the act of seeking information by questioning

discovery science

describes natural structures and processes as accurately as possible through careful observation and analysis of data

data

recorded observations

inductive reasoning

making conclusions based on observed patterns

hypothesis

a tentative theory about the natural world

deductive reasoning

reasoning in which a conclusion is reached by stating a general principle and then applying that principle to a specific case

controlled experiment

an experiment in which only one variable is manipulated at a time

theory

well-tested explanation that unifies a broad range of observations

models

diagrams, graphs, three-dimensional objects, computer programs, or mathematical equations

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