Is the fertilization external or internal? If internal, in what animal?
What is mostly external but sharks give birth to live young.
100
What are some example of bony fish?
What is trout, tuna, and goldfish, etc.
100
What are some examples of jawless fish?
What is lampreys and hagfish.
100
Sharks, rays, and skates usually are ________
( has to do with their diet)
What is carnivorous
100
True or false? There are four chambers in the heart of a fish
What is false. There are two chambers
200
How do fish obtain oxygen, using what organ?
What is fishes get oxygen using gills. They take a gulp of water, and the water flows over the gills. The gills then extract the oxygen from the water.
200
Where do bony fish live?
What is both skate and fresh water.
200
True or false? Jawless fish have jaws and scales.
What is false they do not have either jaws or scales.
200
Rays and skates obtain food by doing what?
What is hover along ocean floor, crushing mollusks, crustaceans, and small fish with their teeth
200
A ______ provides a large surface to push against water.
What is a fin
300
Do fishes have a closed or open circulatory system?
What is closed circulatory system with two chambers in. The heart.
300
Which organ helps bony fish maintain its position in the water?
What is swim bladder.
300
Their skeletons are made of _______ a tissue that is more flexible than bone.
What is cartilage
300
True or false? Cartilaginous fish have jaws and scales
What is true
300
Fish have keen sense of touch, smell, and taste, to catch food, but they can't see well under water. True or false?
What is false. Fish do have a keen sense of smell, taste, and touch, but they can also see well under water.
400
What are the main characteristics
What is vertebrates, that live in water, have fins for stability, ectotherms, obtain oxygen through gills and have scales.
400
A pocket on each side of the head hold the gills! and this is called the __________.
What is gill pocket.
400
How do lampreys obtain food? Are they predators or parasites?
What is attach their mouth to their healthy prey or host and suck in the tissues and blood. They are parasites.
400
How do some cartilaginous fish get their oxygen?
What is they take in water through small holes behind their eyes.
400
What makes up the skeleton of a jawless fish?
What is cartilage.
500
What is a swim bladder, and what does it do?
What is an internal, gas filled sac, which keeps the fish stable at different depths of water.
500
What is the main structure of bony fish?
What is jaws, scales, gill pocket, gills, skeleton made of bone, swim bladder and fins
500
DAILY DOUBLE- true or false? Hagfish and lampreys are the only jawless fish existing today?
What is true
500
Most sharks cant pump water over their gills, so how do they get water?
What is the sharks find a current to keep water moving across their gills.
500
DAILY DOUBLE- 95% of fish are made up of what species of fish?