Author Question: How many of the following statements about craniates is (are) correct? 1. Crani (Read 938 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
How many of the following statements about craniates is (are) correct?
1.    Craniates are more highly cephalized than are noncraniates.
2.    Craniates' genomic evolution includes duplication of clusters of genes that code for transcription factors.
3.    The craniate clade is synonymous with the vertebrate clade.
4.    Pharyngeal slits that play important roles in gas exchange originated in craniates.
5.    The two-chambered heart originated with the early craniates.
A) one of these
B) two of these
C) three of these
D) four of these
E) five of these



theo

  • Hero Member
  • *****
  • Posts: 698
Answer has to be D, trust me!



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

For a complete list of videos, visit our video library