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WorksheetsUnit 6 Rocky Coasts
Total questions: 20
Worksheet time: 10mins
What type of symmetry do crustaceans have?
Bilateral
Radial
None
All crustaceans:
Have an exoskeleton
Have 10 appendages
Reproduce internally
Have an internal skeleton
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
keystone
invasive
engineer
predator
Competition for which resource is a dominant factor in the rocky intertidal zone?
food
light
oxygen
space
Which is considered a keystone predator in the middle intertidal zone?
birds
crabs
limpets
sea stars
submerged only at high tide
splash zone
lower shore
upper shore
The Splash Zone can be described as
Lies between medium and low tide
Lies between high and low tide
just above the high tide mark, very salt tolerant
Never receives water
Organisms of the intertidal zone must be able to withstand desiccation. In other words, these organisms:
Attach themselves to rocks
Experience drastic changes in temperature
Withstand periods without food
Withstand drying out
Identify the independent variable.
Number of push ups
Day of the week
Identify the dependent variable.
Number of students
Month of the year
Ecosystem found on marine shorelines alternating between high and low tide
Abyssal Zone
Coral Reef
Intertidal Zone
Open Ocean
What Phylum do crustaceans belong to?
Cnidaria
Porifera
Arthropoda
Echinodermata
Identify the type of symmetry starfish have.
radial
bilateral
asymmetry
Identify the type of symmetry crustaceans have.
radial
bilateral
asymmetry
Identify a characteristic of Bivalves
one shell
no shell
two shells
What is the ecological importance of mollusks (particularly bivalves)?
They are apex predators
They are detritovores
They are filter feeders
They are not important
Why are coastal areas important?
They provide habitat for many organisms..
They are highly polluted ecosystems
They are facing a barrage of threats
They are not important.
Which statement best describes zonation?
Ecosystems collapse because different zones of habitat have been destroyed for urban development.
species are spaced vertically in order to reduce competition for resources.
Different zones in the ocean have different temperatures.
Organisms are randomly arranged in an ecosystem with no pattern.
