adaptations & inheritance Flashcards
what does adaptations mean?
characteristics that help an organism to survive in its environments
what is continuous variation?
characteristics that can take any value within a range of values like height, weight
what is discontinuous variation?
characteristics that can only be a certain value like eye colour, blood group
what is a gene?
section of DNA that contains the information of a characteristic
what is inherited variation?
the variation in characteristics inherited from parents
what is natural selection?
process by which the organism with the characteristics are most suited to the environment survive and reproduce, passing on their genes.
what is variation?
differences in characteristics with a species
how many chromosomes do we have?
46 chromosomes
what is hibernation?
when u sleep throughout the winter to reduce energy losses
what is extinction?
the permanent loss of all the members of a specie