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 35 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?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

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

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

For a complete list of videos, visit our video library