BIO145 Marine Biology Lesson 6 Quiz

Question

1 of 25

Which of the following is the group of vertebrates containing the largest number of species?

	Mammals
	Amphibians
	Birds
	Fishes
	Reptiles

Question

2 of 25

The whale shark feeds on

	plankton.
	large fishes.
	small fishes.
	organic matter from the bottom.
	bottom-dwelling fishes and clams.

Question

3 of 25

Which of the following is a general characteristic of bony fishes?

	Upper lobe of tail is almost always longer than lower lobe
	Scales are very small
	Gill slits are exposed
	Presence of an operculum
	Mouth is ventral in position

Question

4 of 25

Which of the following is a particular feature found in bony fishes but absent in cartilaginous fishes?

	Scales
	Gills
	Swim bladder
	Pectoral fin
	Skeleton

Question

5 of 25

A particular color pattern allowing animals like fishes to blend with their surroundings is called

	cryptic coloration.
	warning coloration.
	defensive color.
	countershading.
	structural color.

Question

6 of 25

The bright color of many fishes is the result of

	countershading.
	chromatophores.
	disruptive coloration.
	warning coloration.
	algae that grow on the scales.

Question

7 of 25

The function of arteries in fishes is to

	carry oxygenated blood from the heart to the rest of the body.
	circulate blood around the gills.
	bring blood from the body to the heart.
	collect deoxygenated blood from gills.
	carry deoxygenated blood from the heart to the brain.

Question

8 of 25

Oxygen is carried in the blood of fishes by what protein?

	Hemoglobin
	Urea
	Salts
	Myoglobin
	Chloride ions

Question

9 of 25

The counter-current system of flow is involved in

	increasing blood flow into gills.
	decreasing the time it takes for blood to flow through gills.
	increasing the amount of oxygen that diffuses into the blood.
	increasing the efficiency of the movement of gills.
	increasing heart rate.

Question

10 of 25

What is the purpose of the lateral line in fishes?

	Producing sound waves
	Seeing particular colors
	Detecting vibrations
	Carrying blood along skin
	Ingestion of food

Question

11 of 25

The nictitating membrane of sharks

	produces sound.
	detects chemicals in water.
	detects vibrations in water.
	is involved in digestion.
	moves across the eye.

Question

12 of 25

Anadromous fishes migrate

	up and down the water column.
	from fresh water to reproduce at sea.
	from polar regions to the tropics.
	from the sea to reproduce in freshwater.
	along the Equator to reproduce along the coast.

Question

13 of 25

Which of the following is a synonym of spawning?

	Copulation
	Internal fertilization
	External fertilization
	Mating
	Courtship

Question

14 of 25

The claspers are structures involved in

	copulation.
	osmoregulation.
	courtship behavior.
	detection of vibrations in water.
	intake of oxygen by gills.

Question

15 of 25

Ovoviviparous fishes

	release eggs, which are then fertilized in the water.
	have embryos that take nutrients from the mother's reproductive tract.
	release already fertilized but undeveloped eggs.
	release sperm in packets.
	retain fertilized eggs for development.

Question

16 of 25

Most marine fishes are

	live-bearers.
	ovoviviparous.
	viviparous.
	oviparous.
	catadromous.

Question

17 of 25

Which of the following is NOT seen in marine reptiles?

	Migrations
	Internal fertilization
	External fertilization
	Arribadas
	Multiple paternity

Question

18 of 25

Which of these is not a characteristic of sea turtles?

	Oviparous
	Leave the water to reproduce
	Have a shell that is free from the backbone
	Are tetrapods
	Are "cold-blooded"

Question

19 of 25

Temperature dependent sex determination is seen in

	sea turtles.
	dolphins.
	sea lions.
	sea otter.
	Penguins.

Question

20 of 25

Which of the following is a serious threat for hatched turtles in many parts of the world?

	Rocky shorelines
	Road construction
	Artificial lighting
	Too much beach sand
	Conservation group efforts

Question

21 of 25

Which marine reptile is the most aggressive and feared by those walking a remote beach in Australia?

	Giant iguana
	Saltwater crocodile
	Green sea turtle
	Sea snakes
	Loggerhead sea turtle

Question

22 of 25

Fish that begin life as males and then switch to being females are called _______________.

	homeotherms
	simultaneous hermaphrodites
	same sex life-cycles
	alternation of generation fish
	sequential hermaphrodites

Question

23 of 25

Sea turtles feed mostly on __________________.

	small fish
	floating jellyfish
	seagrasses and seaweeds
	other smaller sea turtles
	detritus on the bottom of lagoons and bays

Question

24 of 25

Sea turtles return to _____________________ to lay their eggs.

	a different beach each year
	sheltered coves with rocky beaches
	only beaches along the coast of Mexico
	sandy beaches where they were born
	beaches with resort hotels

Question

25 of 25

All species of marine turtles are

	being considered for listing.
	threatened.
	endangered.
	prospering.
	extinct.