Arthropod Anatomy and Characteristics

Front

How many species of arthropods have been discovered so far?

Back

Over 1 million

Front

Which is true of arthropods?

Back

They are triploblastic protostomes that are coelomates

Front

What type of symmetry do most arthropods have?

Back

Bilateral symmetry

Front

What three features do all arthropods share?

Back

Exoskeleton; jointed appendages; segmented body

Front

Which tagmata does a tarantula have?

Back

Cephalothorax and abdomen

Front

What substance is the exoskeleton of an arthropod composed of?

Back

Chitin

Front

Which is not an advantage of the exoskeleton? Options: Protection, Structural support, Counterforce for the contraction of muscles, Waterproof, Flexibility

Back

Flexibility

Front

Which feeding method is not an option amongst arthropods?

Back

Diffusion of nutrients directly through the exoskeleton

Front

Which arthropod mouthpart is used to move food around the mouth and swallow?

Back

Maxilla

Front

What is the mouthpart of a mosquito called that pierces skin and drinks blood?

Back

Stylet