× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
s
2
a
1
w
1
w
1
i
1
m
1
s
1
c
1
k
1
1
m
1
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
salsathief salsathief
wrote...
Go to Answer
Posts: 723
Rep: 0 0
6 years ago

The oldest positively identified fossil bird; it had feathers, but retained many reptile
  characteristics:a.
   cycad d. Kimberella
  b. Gondwana e. Archaeopteryx
  c. therapsid
Read 36 times
1 Reply
Replies
Answer verified by a subject expert
ecarvallo1ecarvallo1
wrote...
#1
Top Poster
Posts: 680
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

salsathief Author
wrote...

6 years ago
This helped my grade so much Perfect
Zacellison
wrote...

Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
emilyas19
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1191 People Browsing
 179 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1798
  
 460
  
 29
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?