6. Which animal phylum includes insects, spiders, and crustaceans?
a) Mollusca
b) Porifera
c) Arthropoda
d) Nematoda
7. The process of shedding of the exoskeleton in arthropods is known as ___________.
a) Ecdysis
b) Metamorphosis
c) Molting
d) Segmentation
8. The largest phylum of the animal kingdom is ____________.
a) Porifera
b) Cnidaria
c) Arthropoda
d) Chordata
9. Which of the following is the correct sequence of levels of organization in animals, from simplest to most complex?
a) Tissue, organ, organ system, organism
b) Organ, tissue, organism, organ system
c) Organism, organ system, tissue, organ
d) Organ system, organ, tissue, organism
10. An animal that eats mainly plants is called a ____________.
a) Herbivore
b) Carnivore
c) Omnivore
d) Scavenger
