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Biology Twelve
Biology - Chapter Twelve
| Question | Answer |
|---|---|
| The ___________ stage of the echinoderms resembles that of the chordates | larval |
| Spines and plates made of calcium form the echinoderm | exoskeleton |
| Antimeres are the radiating ________ of the sea stars | arms |
| All hemichords live in a _______ environment | marine |
| The himichord probosicis is used to | burrow |
| The most primitive of the vertebrates are the ______ fish becauseof their feeding patterns | jawless |
| Hagfish are best described as | scavengers |
| The lamprey has ______ paired fins | no |
| The amnocoete lives buried in | mud |
| The type of scales that cover the shark's body is | placoid |
| The pressure receptors along the sides of fish are known __________ systems | lateral line |
| A living "fossil" fish is the | coelacanth |
| The teleosts are the _____ fish | bony |
| The larval stage of the frog is the | tadpole |
| The first vertebrates to become vocal are the | frogs and toads |
| the adaptation that protects the embryos of terrestrial animals against drying and dissication is the ___________ | amnion |
| Dinosaurs are best classified as | reptiles |
| The carapace and the plastron are best associated with the | turtle |
| All birds have | feathers |
| An example of a monotreme is the | duck-billed or platypus |
| An immature fish is called a | fry |
| Egg masses of frogs leave the body cavity through tubes known as | oviducts |
| Before mating, birds go through___________ behavior | courtship |
| The sperm of fish are known as | milt |
| The marsupial young are born immature because there has been no development of the ____________ | placenta |
| A distinctive feature of the phylum Echinodermata is the | spiny skin |
| Sea stars have functional | water vascular system |
| The nonfunction organs of the sea star are the | anus and intestine |
| Water enters the sea star by way of the | madreporite |
| In the sea star a light-sensitive eyespot is located | at the tip of each arm |
| The function of he spiral valve is to | increase surface area |
| The process in which embryos obtain nourishment from the yolk in the egg is described as | ovoviparous |
| The dogfish is a (an) | shark |
| Dipnoi is the class of the | lungfish |
| Teleosts are the | placoid |
| The gill covering of the bony fish is the | lateral line |
| It is true that fish | have three semicircular canals |
| The urodeles | have tails |
| The fetal membrane that functions as an organ of repiration and excretion is the | allantois |
| When an organ or structure "bears a capillary network," it | has blood vessels |
| The reptiles are true land animals because they | reproduce on land |
| Bipedal locomotion is characteristice of | birds |
| Hollow bones, numerous air sacs and loss of teeth are adaptations for | flying |
| The four-chambered heart first appeared in | birds |
| Metamorphosis is best associated with | frogs |
| Roe and milt are best associated with | fish |
| The number of sperm cells necessary to fertilize an egg is | one |
| The number of ovaries in a female bird is | one |
| Egg-laying mammals are known as | monotremes |
| The production of song in birds is associated with the | syrinx |
| An important chordate characteristic of the hemichords is the presence of | gill slits |
| The ____________ of the hemichord sweeps water into the mouth | cilia |
| The function of the gill slits is to remove excess __________ from the body | water |
| In sea stars, the sexes are | separate |
| Acorn worms belong to the | heichords |
| ______ vertebrates have an endoskeleton made of bone | most |
| Vertebrates never have more than ______ sets of paired apendages | two |
| A cyclostome refers to a type of | fish |
| Lamprey eels are | predators |
| The shark's skeleton is made of | cartilage |
| The words placoid, dermal, and ganoid describe types of | scales |
| The most highly organized of all the fish are the ______ fish | bony |
| Most of the teleosts are | oviparous |
| Metamorphosis of the tadpole is controlled by the _______ gland | thyroid |
| Sphenodon is the most ________ of the reptiles | primitive |
| In mammals the allantois evolved into the | placenta |
| Fertilization in most fish takes place | externally |
| A cloaca is a (an) | opening |
| Egg white is the protein | albumen |
| A group of eggs laid at one time by a bird is a | clutch |
| A tadpole has a ________ chambered heart | two |
| Frog eggs are coated with a _______ like substance | jelly |
| In mammals the ________ cavity houses the lungs and heart | thoratic |
| Mammals are ________ animals | warm blooded |
| Only ________ and mammals have a four-chamberewd heart | birds |
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rentoria
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