× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Nudee88 Nudee88
wrote...
Go to Answer
Posts: 463
Rep: 0 0
6 years ago
Bird wings and insect wings are considered to be:
  a. homologous structures.
  b. homogenous structures.
  c. vestigial structures.
  d. divergent structures.
  e. homoplastic structures.

Question 2

Which of the following statements about radioisotopes is false?
  a. The half-life of a radioisotope does not vary with temperature or pressure.
  b. Carbon-14 is typically used to date the rocks in which fossils are found.
  c. The ratio of carbon-14 to carbon-12 is used in dating fossils.
  d. Potassium-40 has an extremely long half-life.
  e. The nucleus of a radioisotope can change into that of a different element during decay
Read 92 times
3 Replies
Replies
Answer verified by a subject expert
SERGH005SERGH005
wrote...
#1
Posts: 298
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Nudee88 Author
wrote...
#2
6 years ago
The fact that I can't marry you for this saddens me.
wrote...
#3
6 years ago
Let's keep this professional  Monkey
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1393 People Browsing
 103 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 324
  
 1424
  
 480
Your Opinion
Previous poll results: Who's your favorite biologist?