« previous next »

Author Question: How many of the following are characteristics of arthropods? 1. protostome deve (Read 582 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
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
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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Chordate characteristics Chordate characteristics
Spider-characteristics Spider-characteristics
Characteristics of an effective leader Characteristics of an effective leader
Shope’s Model of Young Driver Crash Risks The model shows that many factors contribute to crash ris Shope’s Model of Young Driver Crash Risks The model shows that many factors contribute to crash ris
Changes in Land Configuration and Surface Characteristics Changes in Land Configuration and Surface Characteristics
Common Characteristics of the Inheritance of Autosomal Recessive Traits Seen in Pedigrees Common Characteristics of the Inheritance of Autosomal Recessive Traits Seen in Pedigrees
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library