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

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

The diagram below shows a food web for an ocean ecosystem.How would an increasing shark population most likely affect this ecosystem? A. The algae population would decrease. B. The limpet population would decrease. C. The seagull population would decrease. D. The octopus population would decrease.

Kathy is studying adaptations in tropical fish. Which of the following is not an adaptation to prevent predators from eating a fish?Group of answer choicescamouflagethe ability to change direction quicklya sucker-like moutha spiny tail

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