Scientific Method
What is the first step in the scientific method?
Observation
What is a vertebrate?
An animal with a backbone
100 – What is an invertebrate?
👉 Animal without a backbone
What is an ecosystem?
Living and non-living things interacting
Where does digestion begin?
Mouth
What is a hypothesis?
An educated guess
Name the five classes of vertebrates
Mammals, birds, fish, reptiles, amphibians
Name one group of invertebrates
👉 Annelids / Molluscs / Arthropods
What does biotic mean?
Living things
What is digestion?
The breaking down of food.
Which variable is changed in an experiment?
The manipulated/Dependent Variable
Which class has feathers?
Birds
How many legs do insects have?
👉 6
What is mutualism?
Both organisms benefit
What is absorption?
Nutrients enter blood
What is a fair test?
Only one variable is changed, others stay the same
Which vertebrates are warm-blooded?
Mammals and Birds
Which arthropod has 8 legs?
Arachnids
What is parasitism?
One benefits, one is harmed
What is chyme?
👉 Liquid food in stomach
What type of graph shows change over time?
A line graph
Which class lives in water and on land?
👉 Amphibians
Name the four types of arthropods
Insects, arachnids, myriapods, crustaceans
What is competition?
Organisms fighting for resources
Where is water absorbed?
Large intestine