WorksheetsAS2 10.00
Total questions: 15
Worksheet time: 8mins
Dean is concerned his aquarium air pump is not working properly. What does he most likely see that suggests this concern?
Decaying feed materials on the floor of the aquarium
Fish swimming close to the bottom of the aquarium
Plants rooted in the gravel at the floor of the aquarium
Reduced bubbles rising from the air stone at the floor of the aquarium
What is a major difference between amphibians and reptiles?
Reptiles are cold-blooded; amphibians are warm-blooded.
Reptiles have scales; amphibians do not have scales.
Reptiles lay eggs; amphibians do not lay eggs.
Reptiles live in water; amphibians live on land.
What is a popular freshwater aquarium fish that gives birth to up to 50 live fry each time?
Betta
Goldfish
Guppy
Koi
Which is true of betta fish?
Live in saltwater aquariums
Need two males per aquarium
Often kept alone in an aquarium
Prefer cool-water aquariums
Mollies are freshwater fish that are known for their:
black color and large fins.
orange color and white bands.
red color and long tail.
silver color and black stripes.
Which is true of clown fish?
Live in cold-water aquariums
Live in freshwater aquariums
Orange fish with white bands, edged in black, encircling its body
Silver fish with three black vertical stripes on each side
Species aquariums have only:
freshwater fish living in them.
one kind of fish living in them.
saltwater fish living in them.
tropical fish living in them.
Susan avoids wasting fish feed by feeding her fish only the amount they can eat in four minutes. To make certain her fish get enough to eat, she feeds them:
once a day.
three times a day.
once a week.
three times a week.
Which is true of saltwater fish, but not true of freshwater fish?
Saltwater fish do not have scales, but freshwater fish do have scales.
Saltwater fish need to drink water, but freshwater fish do not need to drink water.
Saltwater fish are not colorful, but freshwater fish are very colorful.
Saltwater fish have dorsal fins, but freshwater fish do not have dorsal
fins.
Which is true of angelfish?
Hardy fish for cool-water ponds
Hardy saltwater or freshwater fish
Tender fish suited to freshwater
Tender fish suited to saltwater
Which is true of goldfish?
Hardy and often the first pet fish
Like warm tropical water aquariums
Live in saltwater aquariums
Tender fish that must be grown by experts
Which is true of the Savannah monitor?
Green iguana that reaches 8" in length
Lizard that may reach over 6' in length
Snake that is used as a pet
Toad that makes the sounds of a frog
What is a green anole?
Frog found in pet stores
Iguana found in pet stores
Snake found in pet stores
Turtle found in pet stores
What is the most important function of fins?
Break down food particles for digestion
Help fish maintain balance and move through the water
Help fish take in oxygen and release carbon dioxide
Protect fish from waterborne bacteria
Megan observes the water in an aquarium is cloudy. What can she do to fix the problem?
Add extra fish to the tank
Change the activated charcoal filter
Reduce the number of hours the lights operate
Reduce the temperature on the thermostat
