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Good Buddies Name: ___________________________ Period: _____ In a complete sentence, write out the definition of each term. Symbiosis - ____________________________________________ _____________________________________________________ _____________________________________________________ A. Mutualism _____________________________________________________ _____________________________________________________ _____________________________________________________ B. Commensalism _____________________________________________________ _____________________________________________________ _____________________________________________________ C. Parasitism _____________________________________________________ _____________________________________________________ _____________________________________________________ Identify the relationship of each of the organism pairs below as mutualism (M), commensalism (C), or parasitism (P). Also draw arrows to correctly illustrate the relationship. Organism Pair barnacle whale silverfish army ant mouse flea honey guide bird badger mistletoe spruce tree Description Barnacles create home sites by attaching themselves to whales. This does not affect the whales. Silverfish live and hunt with army ants. They also share prey. A flea feeds on a mouse’s blood. Honey guide birds show badgers the location of bee hives. The badgers break open the hives and feed on the honey first. Then the honey guide birds eat. Mistletoe takes water and nutrients from the spruce tree, which harms the tree. Relationship Arrows E. Gratkins, Smith JH Page 1 of 2, rev. 6/26/17 Organism Pair cowbird buffalo remora shark deer tick oxpecker rhinoceros ostrich gazelle hermit crab snail shell cuckoo warbler bee marabou stork yucca plant yucca moth wrasse fish black sea bass Description As buffalos walk through grass, they stir up insects that are eaten by the cowbirds. Remoras attach themselves to a shark’s body and then travel with the shark feeding on leftover food scraps from the shark’s meal. The shark is not harmed Ticks feed on deer blood. Ticks can cause diseases in the deer. Oxpecker birds feed on the ticks found on rhinos. Ostriches and gazelles feed next to each other. Both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they each can identify threats the other animal would not see. Hermit crabs live in shells made and then abandoned by snails. A cuckoo lays its eggs in a warbler’s nest. The cuckoo young push out the warbler young, killing them. The warbler is then tricked into raising the cuckoo young. The stork uses its saw-like bill to cut up the dead animals it eats. As a result, the animal carcass can be used by some bees for food and egg laying. Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers, where they hatch and develop. Wrasse fish feed on the parasites found on the black sea bass’s body. Relationship Arrows E. Gratkins, Smith JH Page 2 of 2, rev. 6/26/17
