Skip to content
Prep
Freely
Home
TOEFL
IELTS
Guides
Log in
Sign up
P
Account
Profile
My progress
Settings
Log out
TOEFL
/
Listening practice
/ Section HBA4
Listen to an Academic Talk
Listen to part of a talk in a biology class.
Listen
32. What do studies like these suggest?
A
Intelligence may have developed separately in birds and mammals.
B
Crows learn only by watching humans.
C
Birds are more intelligent than mammals.
D
All birds can make tools.