Marine Biology - Final Exam Question Bank

Marine Biology - Final Exam - Question Bank

• Ecosystem Roles: An organism's role in an ecosystem is called its niche.
• Earth's Living Part: The life-containing part of Earth is the biosphere.
• Geographical Features:
• Hudson Bay is in Canada.
• The Gulf of Mexico is the world's largest gulf.
• A strait is a narrow waterway between continents or islands.
• Biological Communities:
• Fauna refers to the animal life in an ecosystem.
• Trophic levels represent the energy flow in an ecosystem.
• The pelagic zone is the surface area of a marine environment.
• Kelp forests are sea forests similar to rainforests.
• The Mariana Trench is in the Pacific Ocean.
• Nekton describes fast-swimming marine animals.
• Ecological Zones:
• The epipelagic zone (sunlit zone) extends to 200 meters.
• An example of a tertiary consumer is a shark.
• Photosynthesis results in glucose.
• Energy flow in an ecosystem is unidirectional.
• Water density is measured with a hydrometer.
• Biological Processes and Organisms:
• Stromatolite is a layered sedimentary deposit produced by cyanobacteria.
• Caudovirales are an example of tailed viruses.
• Salt marshes are habitats for halo bacteria.
• Paramecium is a slipper animalcule.
• Marine Organisms and Their Interactions:
• Thiomargarita namibiensis is the largest known marine bacteria visible to the naked eye.
• Amphicema is the outer layer of dinoflagellates.
• Mutualism exists between coral polyps and zooxanthellae.
• Parasitism is exemplified by Cyamathoas, a parasite that lives in marine fish.
• Mutualism is an advantageous biotic relationship impacting population control.
• Pseudopodia are the arms of an amoeba.
• Lichens are symbiotic associations of algae and fungi.
• Tardigrades are known as water bears.
• Marine Biology Examples:
• Dinoflagellates (e.g., Gymnodinium breve) cause Florida red tide.
• Noctiluca results in night light in the ocean.
• Competition yields - - interactions.
• Pistol shrimp/goby relationship is commensalism.
• Marine turtles have carapaces.
• King penguins are marine birds that don't build nests.
• Blubber is fat deposits in aquatic mammals.
• Walrus have long tusks.

Marine Biology - Marine Mammal Protection Act

• The Marine Mammal Protection Act was passed in 1972.

Marine Biology - Fill in the Blanks (Examples)

• Mangroves are salt-loving trees.
• Phytoplankton is an example of a producer.
• Corals are calcium-depositing animals.
• Phaeophyte refers to brown algae.
• Viruses mediate horizontal gene transfer.
• Diatoms are important algal groups.
• Caudovirales are the dominant virus in marine ecosystems.
• Pelagibacter ubique is abundant in oceans.
• Single-celled giants, like Chaos, are examples of amoeba.

Marine Biology - True or False (Examples)

• The littoral zone is part of the benthic zone (True)
• Antagonism is when one organism benefits by negatively impacting the other (True).
• Bilateral symmetry means body parts are arranged around a central axis (True).
• Female emperor penguins lay one egg (True).
• Viruses can impact all kinds of organisms (True).
• Food web aids in energy production (False).
• Sea otters inhabit ice-covered lands (False)
• Photosynthesis is a biotic interaction (False).
• Coelom is the cavity found in the heart (False).
• Jellyfish and star fish are Arthropoda (False).

Marine Biology - Additional Facts (Examples)

• Parapodia are not limbs of mammals (False).
• Shrimp taste good because of vitamin content (False).
• Hookworms reproduce asexually (False).