Dichotomous Keys
What is a dichotomous key?
A tool used to classify organisms.
What is the difference between a food chain and a food web?
A food chain only shows energy flow in one direction, while a food web includes all organisms in an ecosystem.
What is classification?
Classification is sorting things into groups based on similarities
Starting with P, what are the organisms that create energy in an ecosystem are called?
Producers
State of Origin is a series played between Queensland and New South Wales in which sport?
Rugby League
A dichotomous key should split things up using what?
Physical characteristics
What does an arrow show in a food web or chain?
The flow of energy
List 2 characteristics of mammals
Warm-blooded, hair/fur, live birth, breathe air, feed young milk
What is the difference between a biotic and abiotic factor?
An abiotic factor is a non-living factor, while a biotic factor is for living things.
What is the meaning of the word 'Biology'?
The study of living things
What is the difference between a branched and tabular/written key?
A branched key is drawn with a split for each new choice, while a tabular key is in table form and guides the reader to a new step with writing.
State two food chains that could be created with these organisms: Grass, lion, caterpillar, gazelle, tree, bird
Grass-->gazelle-->lion
tree-->caterpillar-->bird
Genus and Species
List the three main organism types that make up an ecosystem.
Producers, consumers and decomposers
What is the square root of 121?
11
State 4 ways you could split up an elephant and a magpie using physical characteristics.
Wings, trunk, feathers, leg number, ears, beak, etc (up to teachers decision)
How would a decomposer fit onto a food web?
All living organisms would provide energy to the decomposer, meaning all other organisms would have lines connecting to it
What comes after Class in Linnaean Taxonomy moving from largest group to smallest?
Order
What is an ecosystem?
The combination of interacting living organisms and the environment they live in.
How many bones are there an adult human body?
206
How many splits should a dichotomous key have if there are 15 animals involved?
14
What is bioaccumulation?
As you reach higher up a food chain, low concentrations of toxic substances become higher due to eating large amount of organisms lower on the food chain with low levels of the substance
List 4 traits of reptiles
Lay eggs, cold blooded, scales, breathe air
List 5 of the 8 requirements for an organism to be considered alive?
5 of: movement, nutrition, wastes, water, reproduction, response to stimuli, gas exchange, growth
What is the smallest country in the world?
Vatican City