Zoology – Worms Study Guide and Key Concepts

Zoology – Worms Study Guide and Key Concepts

a blood fluke is an - ANS✔✔ endoparasite



hookworms can be contracted by - ANS✔✔ walking barefoot



roundworms and flatworms exhibit - ANS✔✔ bilateral symmetry



endo - ANS✔✔ inner tissues, intestines



ecto - ANS✔✔ outer tissues, skin



how do earthworms feed - ANS✔✔ they consume soil which passes from crop to gizzard to
intestine



how do tapeworms and other parasites obtain nutrients without a mouth or digestive system -
ANS✔✔ diffusion thru there skin



how do earthworm cells receive nutrients - ANS✔✔ closed circulatory system transports
nutrients



to avoid being consumed by their hosts endoparasites have a thick outer covering called a -
ANS✔✔ tegumunt



platyhelminthes - ANS✔✔ planarian, tapeworm, fluke



nematoda - ANS✔✔ ascaris, trichinelid, hookworms