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 45 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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

For a complete list of videos, visit our video library