Natural & Artificial Selection
Who is Charles Darwin?
The Cell Theory was developed in….
What is the 1800s?
These have no function in an organism
What are Vestigial Structures?
The pre-birth stage of development of an organism
What is an embryo?
Determines the exact age of a fossil?
What is Absolute Dating?
The theory that states those organisms best adapted to the environment have the best chance of survival and reproducing
What is Natural Selection?
The scientist who disproved the theory of spontaneous generation by using controlled experiments
These are similar in structure, but differ in function
What are Homologous Structures?
Fetal development period from the time of conception until birth
What is Gestation?
Creates a hollow area in the rock that is the shape of an organism
What is a Mold?
The intentional breeding of organisms by humans for desirable traits
What is Artificial Selection?
Scientist that concluded animals are made up of cells
Who is Theodore Schwann?
These have similar function, but differ in structure
What are Analogous Structures?
The science of the development of embryos from fertilization to birth.
What is Embryology?
A type of fossil that traces an organism’s existence or behavior such as a nest, footprints, or droppings
What is a Trace Fossil?
Inherited traits that increase an organism’s chance of surviving and reproducing in a particular environment
What is Adaptations?
The first cell was discovered by this scientist during the year 1665
Many organisms that are not closely related still have certain genes in common.
What is Gene Conservation?
Gestation period of an elephant
1.5-2 years
Objects closest to the top are relatively younger than objects found further down
What is the Law of Superposition?
Any alteration of genetic material to make them capable of producing new substances or performing a new function.
What is Genetic Modification?
Cells that have membrane bound organelles
What is a Eukaryotic Cell?
The arms of a human and a bird are similar in structure making them homologous. What can you conclude from this information?
What is a Common Ancestor?
Both chick and human embryos go through a stage where they have slits and arches in their necks like the gill slits and gill arches of fish. What you are noticing is a….
What is a Pattern?
Preserves the shape and structure of an organism
What is a Body Fossil?