Topic 8 Vocabulary Flashcards
(17 cards)
Species Meaning
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
Evolution Meaning
The process by which modern organisms have descended from ancient organisms.
Fossil Meaning
Is the preserved remains or traces of an organism that lived in the past.
Adaption Meaning
An Inherited behavior or physical characteristics that helps an organism survive and reproduce in its environment
Scientific Theory Meaning
Is a well-tested explanation for a wide range of observations and experimental results.
Mechanism
Is the natural process by which something takes place
Natural Selection
A Process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
Competition
The Struggle among living things to get the necessary amount of food, water, and shelter.
Fitness
Describes how well it can survive and reproduce in its environment.
Sexual Selection
Is natural selection that acts on a organism’s ability to get the best possible mate.
Coevolution
Is the process by which two species evolve in response to changes in each other over time.
Fossil Record
All the fossils that have been discovered and what we have learned from them.
Embryo
Is a young organism that develops from a fertilized egg
Homologous Structures
Similar structures that related species have inherited from a common ancestor
Extinct
If it no longer exists and will never again live on Earth.
Protein
Are complicated molecules that carry out important cellular functions
Endosymbiosis
Two organisms of different species that have a close relationship that involves living with each other.
