Classification Flashcards
Why do we classify things?
Classifying things into groups makes them easier to remember, describe and identify.
Define classify.
Sorting items into groups.
What do you call a scientist that specialises in classification?
Taxonomists
What are the seven levels used to classify living things?
Kingdom Phylum Class Order Family Genus Species
Who designed the classification system that we use today?
Carl Linnaeus
What are the features of a living organism?
Respond Respire Assimilate Grow Excrete Reproduce (Move)
What is an example of a living organism responding to it’s environment?
Humans shiver when it’s cold.
What is respiration?
A process in which most living things get their energy from. It is a chemical process where glucose reacts with oxygen to form carbon dioxide and water. Animals get the glucose for respiration through the food they eat, plants get the glucose for respiration through photosynthesis.
Define assimilate.
Take in and process substances.
What is it called when living things get rid of waste.
Excrete
What are two types of dichotomous keys?
A branching key and a tabular key.
How many choices are there in a dichotomous key?
Two
How do you read a circular key?
Start in the centre of the circle and by choosing one of the options on each layer move outwards.
What is an example of bilateral and radial symmetry?
Bilateral: Face
Radial: Jellyfish
Do humans have an endoskeleton or an exoskeleton?
Endoskeleton