« previous next »

Author Question: What do the simplest vertebrates lack? a. jaws b. notochord c. central nervous system d. teeth ... (Read 51 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Aug 22, 2018

What do the simplest vertebrates lack?
  a. jaws
  b. notochord


 

c. central nervous system
  d. teeth
  e. skull



Question 2

What is an invertebrate chordate?
  a. A chordate that has lost its gill slits
  b. A chordate with an underdeveloped dorsal nerve system
  c. A chordate that has lost its notochord
  d. A chordate that has a backbone
  e. A chordate that evolved to become an invertebrate



joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Aug 22, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

nelaaney

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Aug 22, 2018
Both answers were spot on, thank you once again


joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Aug 22, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko (a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
Procedures for Diagnostic Tests Related to the Digestive System Procedures for Diagnostic Tests Related to the Digestive System
Comparison of Somatic and Autonomic Nervous Systems Comparison of Somatic and Autonomic Nervous Systems
Major Elements of the Genitourinary System Major Elements of the Genitourinary System
Respiratory system of a bird. Respiratory system of a bird.
Video: Erythropoietin (EPO)

For a complete list of videos, visit our video library