Structures Quiz

What is a homologous structure?

• An organ or bone with similar underlying anatomical features found in different animals

• A structure with a similar function in different organisms

• A structure that evolved separately in different organisms

• A structure unique to each species

Which of the following is considered a homologous structure?

• The wings of butterflies and birds

• A dolphin's flipper and a bird's wing

• The beaks of different birds

• The fins of fish and the limbs of mammals

What structure are the wings of bats and bees in?

• Homologous

• Analogous

What structure are cat legs and praying mantis legs?

• Homologous

• Analogous

What is the human tailbone an example of?

• A unique human bone

• A structure with no evolutionary significance

• A homologous structure to many animals' tails

• An analogous structure

What do all mammals share in common?

• The same number of limbs

• The same skin type

• The homologous structure of the vertebrae

• The same number of teeth

Both giraffes and whales have seven bones in their necks. What is this an example of?

• Homologous

• Analogous

What are penguin wings and shark fins an example of?

• Analogous Structure

• Homologous Structure

The function of stingers in wasps and bees is to defend themselves when in danger. What structure do the stingers belong to?

• Homologous

• Analogous

Octopus and mammals have similar eye structures. What is this an example of?

• Homologous

• Analogous