NEW
Font size
WorksheetsUnit 7
Total questions: 18
Worksheet time: 9mins
Organisms on coral reef compete for space and light.
True
False
Which of the following is not a major factor that influences reef growth?
color
pollution
temperature
light
What type of relationship does coral have with zooxanthellae?
symbiotic
parasitic
commensalistic
harmful
Identify the type of symmetry cnidarians have.
Radial
Bilateral
Assymetrical
All cnidarians are
autotrophs
heterotrophs
producers
Identify the body form pictured below:
Medusa
Polyp
Identify the body form pictured below.
Polyp
Medusa
Which statement best describes the nematocyst?
An organelle consisting of a coiled, thread-like stinger used to ward off enemies or to capture prey.
An organelle consisting of a coiled, thread-like stinger used to attract mates.
A gastrovascular cavity used to ward off enemies and capture prey.
A canal extending from the four-chambered stomach to distribute food.
Identify the type of symmetry Phylum Porifera has.
Asymmetrical
Radial
Bilateral
How do sponges obtain food?
Filter feeders
Apex predators
Photosynthesis
Decomposers
Identify the function of spicules.
Provide structural support
Attack prey
Consume food
Attract mates
Both the Phylum Porifera and Phylum Cnidaria belong to the Kingdom _______.
Animalia
Plantae
Fungi
Bacteria
Select the statement best describes the cause of coral bleaching.
As temperatures rise, coral expel the algae that is providing nutrition for them, causing them to die.
As temperatures rise, coral begins to cook from the outside in and consumes too much oxygen.
When corals are not exposed to enough sunlight they begin to lose their color and turn white.
Corals that are preyed upon most often by parrotfish will lose color and turn white.
Explain how the abiotic factor selected in the question above could influence one or more of the reef locations impacted by disease or storms.
Abiotic factors can increase the vulnerability of reefs to diseases and storms.
Abiotic factors have no impact on reef locations.
Abiotic factors only affect terrestrial ecosystems.
Abiotic factors are irrelevant to marine life.
Why are coral reefs important to the marine ecosystem?
Coral reefs provide habitat for a wide variety of marine life, protect coastlines from erosion, and support local economies through tourism and fisheries.
Coral reefs have no impact on the marine ecosystem
Coral reefs are harmful to the marine ecosystem
Coral reefs only provide habitat for a few marine species
What is the Great Barrier Reef?
The Great Barrier Reef is a mountain range in Australia.
The Great Barrier Reef is a famous art museum.
The Great Barrier Reef is a type of dessert.
The Great Barrier Reef is the world's largest coral reef system.
How do coral reefs provide a habitat for various marine species?
By emitting toxic substances that repel predators
By offering shelter, food, and breeding grounds.
By producing loud noises that attract marine species
By creating an environment with extreme temperatures that only certain species can survive in
What does a community in a coral reef include besides clown fish?
Only other fish species
Only coral and anemones
Anemones, seahorses, coral, sea turtles, sponges, and starfish
Only nonliving environmental factors
