What is natural selection?
Process by which the organisms with the characteristics that are most suited to the environment survive and reproduce, passing on their genes.
What genetic material do we inherit characteristics from our parents through?
DNA (Deoxyribonucleic Acid)
What is a chromosome?
Long strand of DNA, which contains many genes.
What is inherited variation?
Variation from the characteristics people have inherited from their parents
What is DNA?
Chemical that contains all the information needed to make an organism.
What is the term used for variations caused y surroundings e.g. diet or lifestyle.
Environmental variation
What is the term used for the range of organisms living in an area?
Biodiversity
A species that evolved by changing its colour during the industrial revolution.
Peppered moth
The introduction of new competitors and...... can cause extinction.
Predators
Ebola is an example of what that can cause extinction?
Disease
Climate change is an example of what type of change that could cause extinction?
Environmental change
Name 2 organisms that have become extinct.
Dinosaur and Dodo
What is a gene?
Section of DNA that contains the information for a characteristic.
What is the term used for differences in characteristics within a species?
Variation
The term used for the remains of plants and animals that have turned to stone.
Fossil
How many chromosomes do humans have?
46
Deforestation is an example of destruction of ........... and it is one of the causes of extinction.
Destruction of habitat
Bonus: Look-Cover-Recall
Could you recall it?
What is the term for organisms that have lots of characteristics in common, and can mate to produce fertile offspring.
Species
What is the term used for a species that only have a small population in the world left?
Endangered
What is evolution?
Development of a species over time.
How is genetic material inherited?
Fertilisation (egg & sperm 23 chromosomes each)
The term used when no more individuals of a species are left anywhere in the world.
Extinction