practice quiz 3

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Rodentia

.......................have specialized front teeth for gnawing: 2 upper and 2 lower incisors.

specialized segments

A characteristic of arthropods that has allowed for their great success is the presence of ________.

the amniotic egg

A characteristic that is shared by snakes and birds is ________.

absence of jaws

Among vertebrates, the unique feature of lampreys and hagfish is the ________.

Chiroptera

Bats belong to the order__________________.

Tooth-like scales

Class Osteichthyes represent bony fish. Which of the following is NOT a characteristic of the Class Osteichthyes?

Annelids

In the image, the segmented body of the worm suggests that it is a(n) ________.

a three-part body: head, thorax, and abdomen

Insects, such as the grasshopper in the image, have ________.

Arachnida

Members of this group of arthropods have 2 body regions: forebody & hind body, 4 pairs of legs (= 8 total), and other specialized appendages near the mouth (e.g., pedipalps). In addition, they do not have antennae and have 1- 6 pairs of simple eyes that do not normally form images. Which group could that be?

egg laying mammals

Monotremata such as Platypus and Echidna (aka Spiny Anteater) are ______________.

eutherians

Placental mammals are called ________.

snowflake

Radial symmetry is seen in a ________.

cartilaginous fish

Rays and skates are a type of ________.

suspension feeders

Sponges are examples of ________.

help bony fish to maintain buoyancy

Swim bladders ________.

Chitin

The arthropod skeleton is composed of ________.

colonial, flagellated protist

The common ancestor of all animals is likely to have been a ________.

flatworm

The figure shows a simple worm. Bilateral symmetry and a highly branched gastrovascular cavity all suggest that the worm is a(n) ________.

Mollusca

The phylogenetic tree indicates that annelids are most closely related to ________.

anthropods

There are more species of ________ than of any other type of animal.

anthropoda

Which animal phylum has members with the hard exoskeleton made of chitin, a segmented body, and jointed appendages? Hint: this is the most diverse phylum of animals in terms of the number of identified species.

Roundworms

Which animals have a cylindrical body that is tapered at both ends?

Lancelets

Which animals represent invertebrate chordates?

animals get nutrition by eating

Which mode of nutrition characteristic distinguishes animals from other eukaryotes?

body hair

Which of the following does NOT represent one of the four key features of chordates?

Chondrichthyes

Which of the following groups represent fish that lack a swim bladder, have less flexible fins, and have tooth-like scales?

Unicellular

Which of the following is NOT a characteristic of all animals?

an anthropoid

While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull. What type of organism do you suspect you may have found?

body segmentation

You are given the task of confirming the categorization of a newly discovered animal that has been tagged as a species of annelid. What evidence would convince you that it is an annelid and not a roundworm or flatworm?

presence of a water vascular system

You are given the task of confirming the categorization of a newly discovered marine animal that has been tagged as a species of echinoderm. What evidence would convince you that it is an echinoderm and not different marine animals such as a sponge or sea anemone?

amniotic egg

You discover an organism that has scaly skin and is aquatic but returns to the land to reproduce. What else would you expect to find in this organism?

Cnidarians

________ are characterized by body tissues, radial symmetry, and tentacles with stinging cells.

Monotremes

________ are the mammalian group that lays eggs.

insects

________ are the most diverse group of arthropods.

radical

which type of symmetry is jellyfish


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