variation

Question 1

what is environmental variation

Answer 1

variation that is controlled by the environment e.g. tattoos, scars, contagious diseases

Question 2

what is inherited variation

Answer 2

variation that is controlled by genes and inherited from your parents and family members e.g. inherited diseases, hair colour, eye colour

Question 3

what is continuous variation

Answer 3

variation that has no limit on a value that can occur within a population. there are not set groups it is usually measured on a numerical scale e.g. height, weight)

Question 4

what is discontinuous variation

Answer 4

variation that is in set groups. it is normally controlled by genetics. e.g. eye, colour, gender, hair colour

Question 5

what are the 5 main kingdoms

Answer 5

bacteria, protists, animals, plants, fungi

Question 6

what are the 2 main sub groups of animals

Answer 6

vertebrates, invertebrates

Question 7

name the 5 main types of vertebrates

Answer 7

reptiles, fish, amphibians, birds, mammals

Question 8

what are invertebrates

Answer 8

animals without backbones. arthropods are the main type they have an exoskeleton and jointed limbs. insects have 6 legs and 3 body segments. spiders have 8 legs and 2 body segments.

Question 9

what is classification and taxonomy

Answer 9

classification is putting organisms into groups based on similar characteristics. these days it is more complicated as we have more advanced techniques, e.g. DNA analysis and therefore some organisms are becoming re-classified.