topic 1 Flashcards
(15 cards)
what are the 6 levels of classification?
phylum, class, order, family, genus, species
what is classification?
the arrangement of animals and plants in groups according to their observed similarities
what is a vertebrate?
animals with a backbone
what phylum do all vertebrates belong to and why?
chordate because they have a backbone
define the word species
a group of organisms that can interbreed to produce offspring that are fertile
what is the name that we would give to an animal such as a zedonk
hybrid
what is variation
differences in characteristics
define adaptation
the changing of characteristics to suit the environment in which they are living
why is adaptation important?
some animals adapt to their environments so that they can survive without adaptation they would not be able to live in the conditions they do.
what is mucus a symptom of
cystic fibrosis
what chart do they use to show how cystic fibrosis is inherited within the family
family pedigree chart
what are the three main parts of a cell
cell membrane, cytoplasm, nucleus
define allele
every gene comes in different types called alleles so a gene for a eye colour may come in a ‘blue type’ allele and a ‘brown type’ allele.
what is a amphibians
vertebrates that have moist, permeable skin and lay jelly-coated eggs in water
list the 5 kindoms
animalia, plantae, fungi, protoctista, prokaryotae.
