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

Author Question: The sail-like fin on the pelycosaur may have served as all but which of the following? a. sexual ... (Read 81 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561

The sail-like fin on the pelycosaur may have served as all but which of the following?
  a. sexual display
  b. a means of locomotion
  c. a means of protection
  d. a means of defense
  e. a thermoregulatory device



Question 2

The feature that distinguishes the two subclasses of bony fish is their:a.
   gill structure.
  b. skeletal structure.
  c. fin structure.
  d. teeth structure.
  e. scale structure.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briezy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

B

Answer to Question 2

C




hubes95

  • Member
  • Posts: 561
Reply 2 on: Jul 15, 2018
:D TYSM


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library