This topic contains a solution. Click here to go to the answer

Author Question: ____________ possess backbones. Fill in the blank(s) with the appropriate ... (Read 21 times)

joe

  • Hero Member
  • *****
  • Posts: 627
____________ possess backbones. Fill in the blank(s) with the appropriate word(s).

Question 2

The most structurally complex animal phylum is the ____________, in which members possess a stiffening
  ____________, a tubular dorsal nervous system. Fill in the blank(s) with the appropriate word(s).




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Vertebrates

Answer to Question 2

Chordata; notochord



joe

  • Hero Member
  • *****
  • Posts: 627

aham8f

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

For a complete list of videos, visit our video library