Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Science
/
Grade 7
/
Embryological Evidence of Common Ancestry
Worksheet
Grade Level
Grade 7
7.54 Embryological Evidence of Common Ancestry
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Scientists compare embryos of cave fish and surface fish that look different as adults. If the embryos share many early developmental patterns, what is the best conclusion?
A
One species must have copied the other during development.
B
Embryo similarities have no scientific value.
C
The species are unrelated because the adults differ.
D
The adult differences probably evolved later, while the species still share common ancestry.
Submit Answer
