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

Author Question: What comprises an arthropod's exoskeleton? A) Keratin B) Spicules C) Chitin D) None of these ... (Read 74 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Aug 22, 2018
What comprises an arthropod's exoskeleton?
 A) Keratin
  B) Spicules
  C) Chitin
  D) None of these choices

Question 2

Steep sea cliffs on erosional coasts are usually caused by ____.
 A) exposure of these features due to a drop in sea level
  B) deposition of large amounts of sediment by waves
  C) glacial erosion
  D) the collapse of undercut notches of exposed bedrock


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

D


fasfsadfdsfa

  • Member
  • Posts: 554
Reply 2 on: Aug 22, 2018
:D TYSM

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Formation of head in arthropod subphyla Formation of head in arthropod subphyla
A shed carapace of a lady crab, part of the hard exoskeleton A shed carapace of a lady crab, part of the hard exoskeleton
The protein keratin, formed by all vertebrates The protein keratin, formed by all vertebrates
Spicules and Supergranules Spicules and Supergranules
Proposed structure for keratin-type intermediate filaments Proposed structure for keratin-type intermediate filaments
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library