Biology 134 test- arthropods & echinoderms

"Arthro" means

• foot

• joint

• disease

"poda" means

• joint

• groups

• foot

All arthropods have a segmented body.

• true

• false

Exoskeletons mean the skeleton is _____ the body.

• inside

• outside

• not present

What does it mean to "molt"?

• grow larger

• develop gills and a tail

• shed skin

Which of the following terms are correct from largest to smallest group?

• Kingdom, Class, Order, Phylum, Family, Genus, species

• specie, Genus, Family, Order, Class, Phylum, Kingdom

• Kingdom, Phylum, Class, Order, Family, Genus, species

Barnacles, crayfish and crabs are

• Arachnids

• Insects

• Crustaceans

Which organism has a relationship with whales that is an example of commensalism?

• barnacles

• crabs

• mites

Arachnids have ______ pairs of legs.

• 3

• 4

• 5

Lyme disease is caused by bacteria carried by

• mites

• insects

• ticks