DNA
DNA stands for
What is deoxyribonucleic acid
Animals that have certain traits that help them survive are called __________.
Adaptations
the study of fossils
what is paleontology?
The sugars and the phosphates.
What is the "backbone of a DNA molecule"?
What physical adaptation do ducks have that help them swim?
the remains or traces of past life, usually found in sedimentary rock.
what is fossil?
DNA has how many nitrogenous bases?
What is four?
Name a physical adaptation that helps a fish swim in the water.
Fins, tail
Evidence of an animals activities
what is a trace fossil?
A (nitrogenous) base, a sugar, and a phosphate.
What are the 3 parts of a nucleotide?
An adaptation that is found on an animals body or can be seen in its appearance.
What is physical adaptation?
determines the order in which geologic events or geological features occurred
what is relative age dating?
This is where DNA replication takes place.
what is nucleus?
If a bird cannot live in a place in the winter because it is too cold or there is no food what can it do?
migrate
A fossil of an organism that lived in many places around the world for a short period of time.
what is an index fossil?