« previous next »

Author Question: A shared derived characteristic for members of the arthropod subgroup that inclu (Read 497 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
A shared derived characteristic for members of the arthropod subgroup that includes spiders would be the presence of
A) chelicerae.
B) an open circulatory system.
C) an exoskeleton.
D) a cuticle.
E) a cephalothorax.


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Aug 8, 2013
Answer has to be A, trust me!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Oct 18, 2013
Wonderful, you were right, thank you so much.


« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Ancestral versus shared derived characters involving morphological traits. Ancestral versus shared derived characters involving morphological traits.
Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
11.2 The chemical structure of mescaline, derived from the peyote cactus 11.2 The chemical structure of mescaline, derived from the peyote cactus
Proline and arginine are derived from glutamate Proline and arginine are derived from glutamate
Distribution of F1 and F2 Progeny Derived from a Theoretical Cross Involving Tomatoes Distribution of F1 and F2 Progeny Derived from a Theoretical Cross Involving Tomatoes
A model of the splicing mechanism for removal of an intron from nuclear-derived pre-mRNA A model of the splicing mechanism for removal of an intron from nuclear-derived pre-mRNA
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library