WILDLIFE BIOLOGY FISH TEST
QUESTIONS AND ANSWERS
What is the membrane that hold organs in place? - Answer-mesentary membrane
Which blood vessels RETURN blood to the heart? - Answer-veins
Is it riskier to eat peanut butter or eat a Great Lakes fish once a week and get
cancer? - Answer-riskier to eat peanut butter
Most sharks just swim constantly to move water over their gills. - Answer-TRUE
Most absorption of nutrients into the bloodstream is through the stomach. - Answer-
FALSE
What does the fish use to breathe? - Answer-gills
What are the reproductive organs in animals called? - Answer-Gonads
What are spines on the fins of a fish so important? - Answer-it is a stiff, bony and
sharp structure used for protection
Are fish warm-blooded or cold-blooded? - Answer-cold blooded
What does the spiny water flea do? - Answer-it reproduces asexually depending on
its environmental conditions
What are catch-limits for fish? - Answer-A way that biologists MANAGE PEOPLE so
they don't fish so much that all the fish will be gone
Are there sea lamprey still in the Great Lakes? - Answer-Yes, they are a pest
What are some examples of forage fish in the Great Lakes? - Answer-Smelt, Alewife,
Shiners and Sculpins
Fish raised in hatcheries increase the "genetic strength" of populations. - Answer-
FALSE
How does countershading help fish to camouflage? - Answer-helps fish blend in with
background from above and below
How do their vertical and horizontal stripes help fish camouflage? - Answer-helps
hide the fish in aquatic vegetation/plants
How does being spotted/mottled help a fish camouflage? - Answer-helps the fish
hide rocky areas on the bottom
QUESTIONS AND ANSWERS
What is the membrane that hold organs in place? - Answer-mesentary membrane
Which blood vessels RETURN blood to the heart? - Answer-veins
Is it riskier to eat peanut butter or eat a Great Lakes fish once a week and get
cancer? - Answer-riskier to eat peanut butter
Most sharks just swim constantly to move water over their gills. - Answer-TRUE
Most absorption of nutrients into the bloodstream is through the stomach. - Answer-
FALSE
What does the fish use to breathe? - Answer-gills
What are the reproductive organs in animals called? - Answer-Gonads
What are spines on the fins of a fish so important? - Answer-it is a stiff, bony and
sharp structure used for protection
Are fish warm-blooded or cold-blooded? - Answer-cold blooded
What does the spiny water flea do? - Answer-it reproduces asexually depending on
its environmental conditions
What are catch-limits for fish? - Answer-A way that biologists MANAGE PEOPLE so
they don't fish so much that all the fish will be gone
Are there sea lamprey still in the Great Lakes? - Answer-Yes, they are a pest
What are some examples of forage fish in the Great Lakes? - Answer-Smelt, Alewife,
Shiners and Sculpins
Fish raised in hatcheries increase the "genetic strength" of populations. - Answer-
FALSE
How does countershading help fish to camouflage? - Answer-helps fish blend in with
background from above and below
How do their vertical and horizontal stripes help fish camouflage? - Answer-helps
hide the fish in aquatic vegetation/plants
How does being spotted/mottled help a fish camouflage? - Answer-helps the fish
hide rocky areas on the bottom
