« previous next »

Author Question: How many of the following can be used to distinguish a nematode worm from an ann (Read 656 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
How many of the following can be used to distinguish a nematode worm from an annelid worm?
1.    type of body cavity
2.    number of muscle layers in the body wall
3.    presence of segmentation
4.    number of embryonic tissue layers
5.    shape of worm in cross-sectional view
A) one of these
B) two of these
C) three of these
D) four of these
E) five of these


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Aug 8, 2013
Answer has to be C, 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?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
Worm Polychaete Worm Polychaete
One-dimensional NMR spectrum of a globin from a marine blood worm One-dimensional NMR spectrum of a globin from a marine blood worm
Marine spoon worm Marine spoon worm
Feather Duster Worm Feather Duster Worm
Video: Uterine (menstrual) cycle - phases

For a complete list of videos, visit our video library