An arthropod body is described as having three key features: A segmented body, an exoskeleton, and jointed appendages.  true or false?

You believe that an adult animal you are examining is a vertebrate but concede that it may be an invertebrate chordate. Which of the following would ensure that you are indeed looking at a vertebrate? OIt lacks a notochord. It has a dorsal hollow nerve cord. It uses its pharyngeal gill slits for respiration. Its notochord functions as an endoskeleton. It is able to swim.

Which of the following is the correct classification for this chordate animal: This vertebrate starts its life cycle in the water in a form without legs.  the adult form is a tetrapod and lives mostly on land.  These animals do not have a tail and they are specialized for movement like jumping to capture prey.   Question 26 options:   a)  Birds    b)  Cephalochordata   c)  Monotreme   d)  Class Chondrichthyes   e)  Urodela / Salamanders   f)  Anura / Frogs   g)  Eutharia   h)  Reptiles (non avian)   i)  Marsupial   j)  Superclass Agnatha   k)  Class Osteichthyes

In planarians ampulation : can planarians regenerate any body part?

Describe the exoskeleton and examples of organisms with this type of skeleton Which is the main component of the exoskeleton of arthropods?

How are the three main arthropod classes characterized according to the presence of antennae?

Which of the following statements regarding dipnoi (lungfish) is true?     amniotes share a more recent common ancestor with dipnoi than with teleosts   early tetrapodomorphs are descended from dipnoi (lungfish)   most features seen in lungfish, such as the ability to estivate below ground during dry periods, represent the ancestral condition for sarcopterygians

What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods?

List the appendages on the head of a crustacean. What other important characteristics of Crustacea distinguish them from other arthropods?

Which of the following is an example of an animal that has true tissues, has a coelom, is triploblastic, and is a Deuterstome?   Question 8 options:   a)  Echinodermata and Chordata   b)  Cnidaria   c)  Ctenophora   d)  Placozoa