ABC Book of Biology
A is for Amino Acid
Amino Acids are building blocks that make up proteins. They are composed of carbon, hydrogen and
oxygen and nitrogen and side chains. Combinations of 20 molecules that make up proteins.
B is for Bacteria
Bacteria are one of the six kingdoms of life. They are unicellular microorganisms lacking organelles
and a nucleus. Some can cause disease.
C is for Cell
Cells are the basic unit of life. All living things are made up of one or more cells. They were first
discovered by Robert Hooke in 1665 by looking at cork under a microscope
D is for DNA
DNA is a double stranded helix that carries the instructions for building and maintaining an organism.
DNA is made up of a phosphate backbone, a sugar, and one of four bases: Adenine, Thymine,
Guanine, and Cytosine
E is for Evolution
Evolution is a theory credited to Charles Darwin. It explains how random changes in genetic material
and competition for scarce resources cause species to change gradually.
F is for Fungi
Fungi are one of the six kingdoms of life. They are Eukaryotic and have a nucleus. They are vital to life
on Earth and are the largest organisms on the planet. They break down dead matter, help plants
absorb water, and get food by breaking down substances in their surroundings and absorbing the
nutrients
G is for Gene
Genes are the basic unit of inheritance. They are a segment of DNA that codes for a specific trait.
H is for Homeostasis
Homeostasis is the process by which organisms maintain a relatively stable internal environment.
I is for Internode
Internodes are the region between nodes on plant stems. They are between the points where leaves
attach.
J is for Jellyfish
Jellyfish are part of the Cnidarian group. They are soft-bodied, carnivorous animals that have stinging
tentacles arranged in circles around their mouths. They are the simplest animals to have body
symmetry and specialized tissues
K is for Kingdoms
Kingdoms are a grouping system that divides all life into six major categories. The six are Eubacteria,
Archaebacteria, Protista, Fungi, Plantae, and Animalia. Organisms are grouped into three domains
A is for Amino Acid
Amino Acids are building blocks that make up proteins. They are composed of carbon, hydrogen and
oxygen and nitrogen and side chains. Combinations of 20 molecules that make up proteins.
B is for Bacteria
Bacteria are one of the six kingdoms of life. They are unicellular microorganisms lacking organelles
and a nucleus. Some can cause disease.
C is for Cell
Cells are the basic unit of life. All living things are made up of one or more cells. They were first
discovered by Robert Hooke in 1665 by looking at cork under a microscope
D is for DNA
DNA is a double stranded helix that carries the instructions for building and maintaining an organism.
DNA is made up of a phosphate backbone, a sugar, and one of four bases: Adenine, Thymine,
Guanine, and Cytosine
E is for Evolution
Evolution is a theory credited to Charles Darwin. It explains how random changes in genetic material
and competition for scarce resources cause species to change gradually.
F is for Fungi
Fungi are one of the six kingdoms of life. They are Eukaryotic and have a nucleus. They are vital to life
on Earth and are the largest organisms on the planet. They break down dead matter, help plants
absorb water, and get food by breaking down substances in their surroundings and absorbing the
nutrients
G is for Gene
Genes are the basic unit of inheritance. They are a segment of DNA that codes for a specific trait.
H is for Homeostasis
Homeostasis is the process by which organisms maintain a relatively stable internal environment.
I is for Internode
Internodes are the region between nodes on plant stems. They are between the points where leaves
attach.
J is for Jellyfish
Jellyfish are part of the Cnidarian group. They are soft-bodied, carnivorous animals that have stinging
tentacles arranged in circles around their mouths. They are the simplest animals to have body
symmetry and specialized tissues
K is for Kingdoms
Kingdoms are a grouping system that divides all life into six major categories. The six are Eubacteria,
Archaebacteria, Protista, Fungi, Plantae, and Animalia. Organisms are grouped into three domains
