This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Platyhelminthes were the first organisms to have ____. a. a fully developed brain b. a notochord ... (Read 30 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Aug 22, 2018

Platyhelminthes were the first organisms to have ____.
  a. a fully developed brain
  b. a notochord
  c. a central nervous system
  d. metamerism
  e. an excretory system



Question 2

Which worm has a segmented body plan?
  a. Platyhelminthes
  b. Nematoda
  c. Roundworm
  d. Polychaeta
  e. Flatworm



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 22, 2018
Answer to Question 1

c

Answer to Question 2

d


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Aug 22, 2018
Gracias!

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

brain brain
Sheep brain Sheep brain
Brain Anatomy and Functions Brain Anatomy and Functions
Lateral view of right side of brain Lateral view of right side of brain
Please fully explain the answer with steps Please fully explain the answer with steps
Human brain and skull Human brain and skull
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library