« previous next »

Author Question: Which of the following is true of members of the phylum Cnidaria? A) They are no (Read 662 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
Which of the following is true of members of the phylum Cnidaria?
A) They are not capable of locomotion because they lack true muscle tissue.
B) They are primarily filter feeders.
C) They have either, or both, of two body forms: mobile polyps and sessile medusae.
D) They may use a gastrovascular cavity as a hydrostatic skeleton.
E) They are the simplest organisms with a complete alimentary canal (two openings).


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Aug 8, 2013
Answer has to be D, trust me!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Oct 18, 2013
Wonderful, you were right, thank you so much.


« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

TrUe....FaLsE TrUe....FaLsE
Staff members often find it difficult to communicate with other coworkers. Staff members often find it difficult to communicate with other coworkers.
Changes in Time Spent with Family Members Changes in Time Spent with Family Members
Midsagittal section indicating locations of true and false pelves Midsagittal section indicating locations of true and false pelves
Anterosuperior view of true pelvis (blue) Anterosuperior view of true pelvis (blue)
The frequency of bipolar illness in members of monozygotic twin pairs and in first-degree relatives The frequency of bipolar illness in members of monozygotic twin pairs and in first-degree relatives
Video: Neuron Type Animation

For a complete list of videos, visit our video library