× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
s
5
g
5
K
5
o
5
g
5
o
4
k
4
s
4
I
4
k
4
j
4
o
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
lacerna92 lacerna92
wrote...
Go to Answer
6 years ago
The ____ are very common arthropod Paleozoic fossils, and are extinct today.
  a. phoronids
  b. trilobites
  c. tardigrades
  d. moss animals
  e. lophophorate animals What will be an ideal response?

Question 2

What is a disadvantage to having an exoskeleton?
  a. Exoskeletons interfere with ingestion.
  b. Exoskeletons severely limit locomotion.
  c. Exoskeletons do not prevent desiccation.
  d. Exoskeletons do not provide adequate protection from predators.
  e. Exoskeletons must be shed when the animal grows, exposing the animal to predators.
Read 41 times
2 Replies
Replies
Answer verified by a subject expert
sdfaffsdfaff
wrote...
#1
Posts: 323
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

lacerna92 Author
wrote...
#2
6 years ago
Electric Light Bulb All of these are right, thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  788 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1494
  
 268
  
 260
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 820
Previous poll results: Should Ph.D.'s be addressed as doctors?