Exam final
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Example of a Gastropod | snail
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| Example of a Bivalve | clam
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| Example of a Cephalopod | squid
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| What is the difference between an open and closed circulatory system? | in a closed the blood is on the outside, on the inside the blood goes throughout the entire body
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| What is a mantle? | sheath of tissue surrounding internal organs of a mollusk
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| Why does something molt? | an arthropod does it regularly to keep up with its growth
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| How does a starfish eat a clam? | It pushes part of its stomach into the clam
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| Why can a lancelet or tunicate be put into Phylum Chordata even though they are invertebrate? | because they have a notochord at some point during development
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| Say you are fishing in a freshwater lake and you catch a lamprey, why is this? | It travels to freshwater to reproduce
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| anadromous | A life cycle in which creatures are hatched in fresh water, migrate to salt water when adults, and return to fresh water in order to reproduce.
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| catadromous | Referring to fishes that migrate from fresh water to reproduce in the ocean
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| What do you think of when you here the words ostiocytes or ostioblasts | bony fish
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| Where is the caudal fin located on a sharks body? | tail fin
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| What is the difference between regular fishes teeth and a rays teeth? What do rays have instead of teeth? | Rays teeth have plates that crust their food
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| Tell the lifestyle and shape of a fish | demersal would be flat with eyes on top while a fish swimming in the water would have a different shape, more suitable for swimming
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| How can a fish actually feel things in the water? | lateral line, which is a sensory organ
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| Why do fish hangout in schools? | 1. for protection, 2. helps them to capture their prey
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| salt gland and example of marine mammal who has this | gets excess salt out of their bodes, Ex: sea turtle and sea birds
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| Sea turtles spend most of their time in the water so what is happening when you see a healthy female on shore? | most likely laying eggs
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| Find a heavy bone on the beach, what does this mean? | most likely didn't fly a lot, Ex: penguin; heavier bones help them to swim and dive under water
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| light weight and hollow bone is an example of what kind of bird? | flying bird
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| Baleen whales have heavy coarse hair for teeth used for what? | to filter plankton
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| What is the use of a dolphins melon? | it focuses and directs the clicks that a dolphin makes
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| discuss delayed implantation | When a mammal gets pregnant the embryo won't implant right away, the purpose is so they can wait to get to their breeding grounds
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| What is the purpose of camouflage? | to hide or to hunt, can be used for the prey or the predator
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| There will be a food web on the test, know what the secondary consumer is | bottom level: producers or autotrophs, algae, Primary consumer, Secondary consumer, Tertiary consumer
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| What are two things that are used to measure productivity or amount of photosynthesis? which is the better of the two? | Light and Dark technique and Radioactive Carbon technique (better of the two)
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| In the carbon cycle do decomposers increase or decrease the level CO2 in the water? | Decomposers are breaking down materials and CO2 is being released causing it to increase
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| In the nitrogen cycle understand that if someone suddenly added nitrogen fixing levels to the earth what would happen to nitrogen levels? | Organisms are taking nitrogen out of the air so levels would decrease
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| Photic zone | shallower waters that receive light (splash zone and inner shelf)
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| Aphotic zone | deep layers of the ocean that doesn't receive light (benthic zone and abyssal zone)
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| dorsal fin | on the back side and upper part of the sharks body
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| caudal fin | tail fin that helps the shark in steering
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| pectoral fins | gives a much needed lift in the water column
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| pelvic and anal fins | used for stabilization
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