Variation within species caused by genetic mutation can be inherited. This allows some members of a species to be better adapted to an environment and so evolution can then occur by natural selection.
What is variation?
It is the differences between types of animal
It is the differences between different species
It is the differences between members of the same species
Which of these is an example of genetic variation?
Which of these is caused only by environmental variation?
Which of these features show continuous variation?
Which of these features shows discontinuous variation?
Offspring produced in sexual reproduction are:
What is a mutation?
A change in the DNA of an organism
A change in the way an organism looks
A change in the way an organism behaves
Which of these could increase the rate of mutation in DNA?
What is the correct definition of a genome?
The entire generic material of an organism
A small section of DNA in a chromosome
A long, linear thread of DNA made from many genes
Some bacteria have a mutation that allows them to be antibiotic resistant. What does this mean?
Mutated bacteria have an advantage
Mutated bacteria are at a disadvantage
Antibiotics have an advantage