Honors Bio ch1

A conclusion made on the basis of facts or premises rather than direct obsevations.

A microscope that provides a three-dimensional image of a specimen by passing electrons over the specimen's surface.

A short segment of DNA that contains the instructions for the development of a single trait of an organism.

A statement made in advance that states the results that will be obtained from testing a hypothesis, if the hypothesis is supported.

A suggested explanation that explains scientists observations and can be tested.

A type of microscope that magnifies objects as they pass through two or more lenses.

Act of perceiving a natural occurance that causes somkeone to pose a question.

An experimentally manipulate variable.

An explanation for some phenomenon that is based on observation, experimentation, and reasoning.

Communities of living species and their physical environments.

form of reproduction in which hereditary information from different organsisms is not combined.

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

Increase in an objects apparent size.

Large molecule in which hereditary information is encoded.

Microscope that transmits a beam of electrons through a specimen and projects an enlarged image of that specimen on a screen or plate.

One of seven fundamental units that describe length, mass, time, and other quantities.

Organisms that are composed of more than one cell.

Organisms that are composed of only one cell.

Process by which scientist who are experts in the field anonymously read and critique research papers.

Process in which organisms transmit hereditary information to their offspring.

Process of testing a hypothesis by gathering data under controlled circumstances.

Produced by the mathematical relationship between two base units.

• Provides a normal standard against which the biologist can compare results to the experimental group.
• (lab boys told me i shouldnt tell you about the control group)

Reproduction in which hereditary information from two organisms of the same species is combined.

Scientific study of the interactions among organisms and betweem organisms and their environment.

Single, standard system of measurement used by scientists

Smallest unit that can perform all life's processes.

Structure that carry out specialized jobs within an organ system.

Sum of all the chemical processes that occur in an organism; a balance of anabolism.

The chemical compounds that provide physical structure and that bring about movement, energy use, and other cellular functions.

The formation of two cells from an existing cell.

The group in a controlled experiment in which the independant variable is applied.

The high dfegree of order within an organism's internal and external parts and in its interactions with the living world.

The power of a microscope to show clear details.

The process by which an organism becomes a mature adult.

The process by which plants and some unicellular organisms produce glucose and oxygen by taking in carbon dioxide and sunlight.

The responding variable in an experiment.

The study of living things.

The term used to describe a change over time; descent with modification.

Theory that states that organisms that have favorable traits are better able to survive and reproduce more successfully.

This term describes the stable level of internal conditions that living things are able to maintain.

Tiny structures that carry out functions necessary for the cell to stay alive.

Traits that improve an individual's ability to survive and reproduce.