Whales are marine mammals. They have lungs instead of gills, hair instead of scales, and they give birth live. They breathe through a blowhole located on the top of their head, and they hear through holes behind their eyes. There are about 80 kinds of whales living in oceans around the world. Whales can grow to over 100 feet long, and they can weigh over 200 tons. Whales live in family groups called pods. They communicate by making high-pitched sounds.
adapted from http://library.thinkquest.org

How is the above passage organized?
logical order
c
classification schemes
transit

Question

Whales are marine mammals. They have lungs instead of gills, hair instead of scales, and they give birth live. They breathe through a blowhole located on the top of their head, and they hear through holes behind their eyes. There are about 80 kinds of whales living in oceans around the world. Whales can grow to over 100 feet long, and they can weigh over 200 tons. Whales live in family groups called pods. They communicate by making high-pitched sounds. 
adapted from http://library.thinkquest.org

How is the above passage organized?
logical order
c
classification schemes
transit