Evolution Flashcards
Define Asexual reproduction.
Does not involve sex cells or
fertilisation, only one parent
Define Sexual reproduction.
A process where genetic material from two parents combines to produce offspring with genetic variation.
Define variation.
Difference between individuals
What is Mutation?
change in a gene or chromosome
What is Evolution?
Change in species overtime
What is Natural selection?
Process where organisms that are better adapted to an environment will survive.
How do fossils found in rocks of different ages support Darwin’s theory of evolution?
Fossils of the simplest organisms are found in the oldest rocks, and fossils of more complex organisms are found in the newest rocks, showing how life has evolved over time.
Name the 6 kingdoms that organisms are split into.
kingdom, plants, fungi, protists, bacteria, archea
Name the 3 domains that organisms are split into.
Archea, Bacteria, Eukarya
Identify the genus and species freom a scientific name.
Homo (Genus) Sapiens (species)
Describe the classification system developed by Carl Linnaeus
Kingdom, phylum, class, order, family, genus, species.
Explain why a binomial naming system is useful
Provides a universal name, avoids confusion between languages.
Give examples of organisms that reproduce sexually
Humans, cats, flowering plants
Give examples of organisms that reproduce asexually
Bacteria, yeast, starfish
Advantages and disadvantages of sexual reproduction
Advantages: Genetic variation helps survival
Disadvantages: slower process. fewer offspring
Advantages and disadvantages of asexual reproduction
Advantages: Fast and efficient
Disadvantage: No variation, less adaptable
Three types of adaptations from mutation
structual, behavioral, physiological
