practice quiz 3
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