× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
RICHDANGER123 RICHDANGER123
wrote...
Go to Answer
Posts: 502
Rep: 0 0
6 years ago
In a tube-within-a-tube body plan, what forms the outer tube?
  a. The body wall
  b. The wall of the gastrovascular cavity
  c. The vacuolar membrane
  d. The intestinal wall
  e. The gizzard wall

Question 2

Which of the following does not contain a gastrovascular cavity?
  a. hydras
  b. cnidarians
  c. sponges
  d. flatworms
  e. jellyfish
Read 65 times
1 Reply
Replies
Answer verified by a subject expert
jmbt96jmbt96
wrote...
#1
Top Poster
Posts: 517
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

RICHDANGER123 Author
wrote...

6 years ago
Just got PERFECT on my quiz
GeorgeNeist
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
AlahuKakpar
wrote...

2 hours ago
Correct Slight Smile TY
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1271 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1387
  
 1033
  
 333
Your Opinion
Where do you get your textbooks?
Votes: 372
Previous poll results: What's your favorite coffee beverage?