Biology II Midterm (Game 2 of 2)

Which classification approach is most commonly used today?

Organs are evely distributed within all arms, can extrude stomach.

Malpighian tubules in arthropods most closely resemble __ in humans.

Match the following mollusks with their correct class: oysters, clams, mussels, scallops.

This class may want to stay away from the pearl fish!

Match the following mollusks with their correct class: open circulation, two valves are closed by adductor muscles.

Blood flows through open tissue spaces.

Provides protection from injury and dessiccation.

Which of the following evolve?

Members of this phylum have a simple brain with nerve cords, saclike gut, and have no coelom.

Match the following mollusks with their correct class: slugs and snails.

Predators, flattened body, 1 pair of legs per body segment.

In Phylum Mollusca, class ___ includes the most intelligent and fastest invertebrates.

Has a mouth and anus.

These insects have a coiled proboscis.

Members of this phylum contains the most primitive species of the animal kingdom.

Scavengers, rounded body, 2 pairs of legs per body segment.

Have a male (sperm) and a female (egg) for reproduction in seperate organisms.

Match the following mollusks with their correct class: chitons.

Match the following mollusks with their correct class: octopus, squid, nautilus, cuttlefish.

New class; only 3 described species.

What are the three parts of the basic mollusk body plan?

These insects have a lapping/sponging mouthpart.

Members of this phylum have a pseudocoelomic cavity.

Organs are restricted to central disk that is sharply set apart from thin arms.

Echinoderms have small plates called calcareous ossicles which make up their?

Use Aristotle's lantern to scrape algae.

These insects have a piercing mouthpart.

All animals are

Most are sessile and are attached to the substrate by a stalk, some use cirri to move.

Most successful class due to their ability to fly and live in all habitats.

The process of molting.

Most echinoderms exhibit

Match the following mollusks with their correct class: open circulation, torsion is present in some species.

Members of this phylum have a brain with a ventral nerve cord, a complete gut, and a closed circulatory system.