Remoras stick to the sides of a shark's body, travel with it and eat the shark's leftover food. Remoras neither help nor harm sharks.What type of ecological interaction exists between the shark and the remora?*2 puntosCommensalismParasitismMutualismPredation

Select the correct answer.The remora fish attaches onto sharks for transportation, but doesn’t change the shark in any way. Which type of interaction do the remora fish and shark have? A. mutualism B. commensalism C. parasitism D. predation

A seal and a shark eat the same type of fish.Which ecological interaction describes the relationship between the seal and the shark?

Barnacles attach themselves to migrating whales so that they can ride along to new feeding grounds. The whale is not helped or harmed by the barnacles.What type of ecological interaction exists between the whale and the barnacles?Choose 1 answer:Choose 1 answer:(Choice A)   ParasitismAParasitism(Choice B)   MutualismBMutualism(Choice C)   CommensalismCCommensalism(Choice D)   PredationDPredation

Write the letter of the example of each type of interaction into the box next to the name of the correct symbiotic relationship. commensalism mutualism parasitism A. Spider crabs provide a habitat for algae; meanwhile, the algae provide camouflage for the spider crab. B. Remoras ride along on sharks and eat scraps from shark meals; the sharks neither benefit nor are they harmed. C. Mosquitoes feed on the blood of humans; humans lose blood, have an itchy reaction to the bite, and may catch diseases.

A mouse is killed and consumed by a snake.What type of ecological interaction exists between the snake and the mouse?Choose 1 answer:Choose 1 answer:(Choice A)   MutualismAMutualism(Choice B)   PredationBPredation(Choice C)   CommensalismCCommensalism(Choice D)   ParasitismDParasitism