Vocabulary 1
"The survival of the fittest"
Natural Selection
A term that describes a species that no longer exists.
EXTINCTION
Individuals that inherit advantageous variations will outcompete others for resources and pass these variations to the next generation.
Evolution
Cockroaches is a species that survived pesticides. This outcome illustrates which one of Darwin’s key ideas about natural selection and variation?
Variation
Endangered species means..
an organism, such as a plant, fungus, microbe or animal, that is threatened by extinction.
The surroundings or conditions in which a person, animal or plant lives or operates.
ENVIRONMENT
An explanation based on extensive observation and reasoning that states organisms change and develop over time.
The theory of Evolution
Who stated that: Individuals pass on adaptations to their offspring, due to natural selection.
Charles Darwin
Who stated that : Organisms pass on physical traits acquired during their lifetime to their offspring.
Jean Baptist Lamarck.
Provide two reasons why a species become extinct..
lack of food, changes in the vegetation, changes in climate, natural catastrophe.
Slight differences in the appearance of individual members of species that arise naturally in populations caused by changes in genes
GENETIC VARIATION
A variety of different types of organisms and species.
DIVERSITY
Name one ancestor in the process of evolution of the whale...
Pakicetus, Dorudon
Name one trait that increases the survival of the frogs.
Stripes, color, camuflage.
Why is an advantage of flowers having brightly colored petals?
Increases plant reproduction. Pollination.
A trait that helps an organism survive and reproduce.
ADAPTATION
Changes in an organism at the genetic level. It is a primary source of genetic variation in a population.
MUTATION
What helped in identifying the evolutionary traits of the organisms and their ancestors.
Index Fossils
Why the beak shape of each species of bird developed differently ?
exposed to different type of food.
If a chameleon was born unable to change color, why would it be unlikely to pass on this trait?
The chameleon won't survive to pass its traits.
The struggle between organisms to survive in a habitat with limited resources.
COMPETITION
PHENOTYPE
What is the process that estimates the age of the rock by measuring the amount of certain radioactive elements?
Radioactive dating.
Why is it important that there are many different types of organisms on Earth?
Increase Genetic Variation.
What type of specie mutated during the Industrial Revolution?
The peppered moth.