Classification of organismsIB MYP Biology: Mind map

Exam questions on Classification of organisms

1. A biologist in Santiago sorts the organisms she has collected from a pond and its banks into the five kingdoms. Her collection includes a mushroom growing on a rotting log, a bacterium from the pond water, a water lily, a pond snail and an amoeba.
   Outline two differences between plants and animals.2 marks
2. A zoo in Singapore is preparing information boards for four of its animals: a crocodile, a frog, a penguin and a fruit bat. The zoo wants to show visitors which vertebrate group each animal belongs to.
   Explain why the fruit bat is classified as a mammal and not as a bird, although it can fly.2 marks
3. An entomologist in Kuala Lumpur sorts invertebrates collected from a rainforest. Among them are a beetle, which has six legs and a body in three parts, a spider, which has eight legs and a body in two parts, a crab and a centipede. All four belong to the same large group of invertebrates.
   State three features that all arthropods have.3 marks