Why Do Fish Have Gills? And Other Questions About Evolution and Classification cover

Why Do Fish Have Gills? And Other Questions About Evolution and Classification

Author: Jacobs, Pat

Reading Metrics

Grade Level Lower Grades (LG K-3)
Book Level 6.4
Points 1.0
Fiction/Nonfiction Nonfiction
Word Count 4776
Points per Word 0.000209
Page Count 32
Points per Page 0.03125

Description

Readers will learn the ways fish have adapted over millions of years to fit into their environment, including developing a swim bladder and fins.