Author Question: How many of the following are characteristics of arthropods? 1. protostome deve (Read 634 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
How many of the following are characteristics of arthropods?
1.    protostome development
2.    bilateral symmetry
3.    a pseudocoelom
4.    three embryonic germ layers
5.    a closed circulatory system
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
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
Wonderful, you were right, thank you so much.



 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library