Rocky shores

Question 1

Give 4 examples of filter feeders

Answer 1

barnacles, sponges, sea squirts, mussels

Question 2

Give 4 examples of rocky shore predators

Answer 2

shore crab, seastar, oystercatcher, dogwhelks

Question 3

What species may be present in the high-intertidal zone?

Answer 3

lichens, periwinkles, barnacles, isopods

Question 4

What species may be present in the mid-intertidal zone?

Answer 4

barnacles, limpets, mussels, fucoids, whelks, green macroalgae

Question 5

What species may be present in the low-intertidal zone?

Answer 5

seastars, kelps, red and green macroalgae, urchins

Question 6

What are the 3 causes of vertical zonation patterns?

Answer 6

Larval settlement/recruitment and adult preference, physiological tolerance to environmental variables, and biological interactions (interspecific competition/predation)

Question 7

What are the 3 types of larvae?

Answer 7

direct developing, lecithotrophic and planktotrophic

Question 8

What are the 3 types of competition and what do they mean?

Answer 8

exploitative - harvesting limited food resources,
pre-emptive - competitor dominates space
interference - competitors physically contest resources