the scientific study of living organisms and their interactions with the environment

the high degree of order within an organism’s internal and external parts and in its interactions with the living world

in biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm

describes an organism that consists of a single cell

describes a tissue, organ, or organism that is made of many cells

a collection of tissues that carry out a specialized function of the body

a group of similar cells that perform a common function a group of similar cells that perform a common function

one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function

chemical compound that provides physical structure and brings about movement, energy use, and other cellular functions

the maintenance of a constant internal state in a changing environment; a constant internal state that is maintained in a changing environment by continually making adjustments to the internal and external environment

the sum of all chemical processes that occur in an organism

the formation of two cells from one existing cell

the process by which an organism grows

the process of producing offspring

the most basic physical unit of heredity; a segment of nucleic acids that codes for a functional unit of RNA and/or a protein

Biology is the study of all living things.

Branches of biology include •botany, which is the study of plants •zoology, which is the study of animals •ecology, which is the study of the interactions between organisms

Living organisms can be discussed in terms of the following:

•cell structure and function •strategies for maintaining homeostasis •reproduction and heredity •evolution •interdependence of organisms •need for energy

An organism is a living thing. Some organisms are composed of a single cell. Other organisms are composed of many cells.

Comparing Organisms That Are Unicellular and Multicellular

A unicellular organism is a living thing composed of one cell. A multicellular organism is a living thing composed of more than one cell.

DNA, or deoxyribonucleic acid, is the material that contains the information that determines inherited characteristics. The nucleotides that make up DNA are composed of a nitrogen base, a phosphate group, and a sugar.

A gene is a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait.

Reproduction is the process by which new offspring are produced. In sexual reproduction the genetic material from more than one parent combine to produce offspring.

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MFD-Biology

Chapter 1

Term	Definition
biology	the scientific study of living organisms and their interactions with the environment
organization	the high degree of order within an organism’s internal and external parts and in its interactions with the living world
cell	in biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm
unicellular	describes an organism that consists of a single cell
multicellular	describes a tissue, organ, or organism that is made of many cells
organ	a collection of tissues that carry out a specialized function of the body
tissue	a group of similar cells that perform a common function a group of similar cells that perform a common function
organelle	one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function
biological molecule	chemical compound that provides physical structure and brings about movement, energy use, and other cellular functions
homeostasis	the maintenance of a constant internal state in a changing environment; a constant internal state that is maintained in a changing environment by continually making adjustments to the internal and external environment
metabolism	the sum of all chemical processes that occur in an organism
cell division	the formation of two cells from one existing cell
development	the process by which an organism grows
reproduction	the process of producing offspring
gene	the most basic physical unit of heredity; a segment of nucleic acids that codes for a functional unit of RNA and/or a protein
Biology is the study of all living things.	Branches of biology include •botany, which is the study of plants •zoology, which is the study of animals •ecology, which is the study of the interactions between organisms
Living organisms can be discussed in terms of the following:	•cell structure and function •strategies for maintaining homeostasis •reproduction and heredity •evolution •interdependence of organisms •need for energy
Organism	An organism is a living thing. Some organisms are composed of a single cell. Other organisms are composed of many cells.
Comparing Organisms That Are Unicellular and Multicellular	A unicellular organism is a living thing composed of one cell. A multicellular organism is a living thing composed of more than one cell.
DNA Overview	DNA, or deoxyribonucleic acid, is the material that contains the information that determines inherited characteristics. The nucleotides that make up DNA are composed of a nitrogen base, a phosphate group, and a sugar.
Gene	A gene is a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait.
Sexual Reproduction	Reproduction is the process by which new offspring are produced. In sexual reproduction the genetic material from more than one parent combine to produce offspring.

Created by: MasonBeach

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