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Fish can live in:

• oceans

• lakes

• rivers

• marshes

• ponds and streams

There are more species of fish than all other vertebrates

• true

• false

• no

Fish have a streamlined shape to:

• Be more attractive

• fit in small caves and crevices

• avoid being caught by predators

• swim more easily

How are fish not pulled down by gravity?

• They exert a torque to oppose it

• the buoyancy of water pushes them up

• they don't have enough mass

• gravity is not effective in water

• F= gm1m2/r^2

A swim bladder can be found in:

• bony fishes

• large fishes

• attractive fishes

• blue and red fish only

Fish are covered with ______ to be able to glide easily in the water

• ear wax

• vaseline

• mucus

• scales

• elbow grease

How would a fish dive deeper

• By moving its fins upwards to go down

• Using the elevator

• Using a hot water "air" balloon

• Gasses leave the swim bladder to reduce the density of the fish

• Gasses diffuse into the swim bladder to make the fish heavier

. Fishes move through the water by contracting muscle groups on ______side of their bodies

• ventral

• dorsal

• left

• right

• either

The arrangement of muscle in a fish allows the fish to______

• diffuse gasses from the swim bladder to rise in the water

• contract a large portion of its body

• steal food from other fish

• perform complicated dancing rituals to mate

When the fish contracts its muscles it creates an opposing force at an angle to its movement, helping it to move in an s-shape pattern

• True

• False

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