a)Fish
b)Mammals
c)neither of the above
5,
10,
25,
40yrs.
when did dolphins first apear on the earth?
50 million as land animals
10million aswater mammals
10,000 as fish
4000 dolphin like fish
how deep can dolphins dive?
100
300
500
1000m
what is the max amt. of time a dolphin can hold its breath?
3
8
15
20 min.
dolphins use---------------to navigate and find food.
sonar,
ultrasound,
echolocation,
x-ray.
a)Dolphinio
b)Delphinidae
c)Delfinide
a) Yes
b)No
c)Only during the summer months
4)Dolphins have sensitive skin that is very easily bruised. Is the skin made up of:
a)Cells that are live
b)Cell that are dead
c)Cells that are asleep
According to official research, has the number of freshwater river dolphins since 1990:
Increased
Decreased
Stayed the same
We know that dolphins eat small fish, but in total do they have:
18-26 teeth
More than 50 teeth
Doh! Dolphins don't have teeth
All species of dolphin are assigned a latin name. What is the common name for the Tursiops truncatus:
Common dolphin
White-bellied dolphin
Bottle-nosed dolphin
Dolphins have pectorial fins, but where on the dolphin's body are they found:
On the back
On the sides of the body
As part of the tail
What is a pod.
A group of dolphins
A place where dolphins are born
A place where dolphins sleep
One part of the dolphin is called the Rostrum, but what is it:
It is the dolphin's head
It is the dolphin's tail
It is the dolphin's mouth
Mammals
delphiniadae
no
cells that are alive
decreased
more than 50
bottle nosed dolphin
on the sides of the body
a group of dolphins
its the dolphin's mouth.