What is the closest modern relative to orcas?

Orca Anatomy and Ecology

Interactive Video
•
Biology, Science
•
7th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hippopotamus
Sea Lions
Dolphins
Sharks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which anatomical feature of orcas evolved to help them breathe efficiently in water?
Tail
Blowholes
Gills
Fins
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the nostrils located in modern orcas?
Under the chin
On top of the skull
On the front of the skull
On the sides of the head
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant adaptation that allows orcas to be streamlined in water?
Their flippers
Their blowholes
Their conical teeth
Their large size
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happened to the hind legs of orcas during their evolution?
They became larger
They turned into flippers
They became fins
They disappeared
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What remains of the orca's hind legs?
Large bones
Pelvic bones
Fins
Nothing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of teeth do orcas have?
Sharp conical teeth
Flat molars
No teeth
Incisors
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