Bio 125 Exam 3

Front 1

In fungi, energy is acquired primarily by _____.

Back 1

Externally digesting dead material and absorbing nutrients

Front 2

In fungi, the majority of the life cycle has ______ nuclei.

Back 2

Haploid

Front 3

The elongated strands of interconnected fungal cells are called______.

Back 3

hyphae

Front 4

A mass of connected hyphae is referred to as a _____.

Back 4

mycelium

Front 5

Which of the following is true of most members of Kingdom Animalia?

Back 5

multicellular

Front 6

As the size of an organism increases, the ______ of that organism decreases.

Back 6

relative surface area

Front 7

Which is true of a closed circulatory system?

Back 7

blood is contained entirely within blood vessels

Front 8

Radial Symmetry is most effective body plan for ______.

Back 8

feeding on whatever is drifting in the water

Front 9

Sponges______.

Back 9

are mostly filter feeders

Front 10

Which of the following is not true of Phylum Cnidaria?

Back 10

are mostly haploid

Front 11

Which of the following isn't a method used by cnidarians to acquire food/energy?

Back 11

All true:
catching microorganisms that drift into their tentacles on the open ocean
stinging and paralyzing large prey
catching microorganisms that drift into their tentacles on the ocean floor
having symbiotic photosynthetic algae

Front 12

Which of the following isn't true of the phylum Platyhelminthes?

Back 12

are radially symmetrical

Front 13

_______ is the concentration of nervous and sensory structures anteriorly on the body of an organism.

Back 13

Cephalization

Front 14

Which of the following is not considered part of Lophotrochozoa?

Back 14

earthworm

Front 15

The ancestral conditions of Arthropoda is _____ pair(s) of legs per segment.

Back 15

1

Front 16

Which of the following does not shed a tough outer covering by ecdysis?

Back 16

Clam

Front 17

Open space within the body of an organism is referred to as a body cavity and is adaptive in all of the following ways except______?

Back 17

restricts organisms to aquatic habitat

Front 18

Which of the following is true of Mollusca?

Back 18

range in size from a few mm to more then 20m

Front 19

How do bivalves get food?

Back 19

Filter feeding

Front 20

The gills of North American freshwater bivalves are directly used in all of the following except_____?

Back 20

Reproduction

Front 21

The ______ of mollusks is what generally surrounds the soft tissues and secretes the shell.

Back 21

Mantle

Front 22

A large proportion of native North American freshwater mollusks are ____.

Back 22

threatened or endangered

Front 23

Annelids generally feed on ______.

Back 23

fish

Front 24

Extreme specialization in the mouthparts of ______ has reduced competition between species likely reducing extinction rates allowing for exceptionally high diversity within the group.

Back 24

insects

Front 25

Insects have how may walking legs?

Back 25

6

Front 26

The rigid ____ of arthropods provides protection, support and points of muscle attachment

Back 26

exoskeleton

Front 27

Most arachnids have ______ eyes, but insects and crustaceans have ____ eyes, which are made of many individual light sensing structures called ommatida.

Back 27

Simple, compound

Front 28

The _____ of terrestrial insects allow air to enter the tracheal network and gas change to occur directly to tissues.

Back 28

spiracles

Front 29

Arachnids are almost exclusively _____.

Back 29

carnivores

Front 30

Decapod crustaceans are abundant and conspicuous in _____habitats.

Back 30

freshwater & marine

Front 31

Which of the following habitat types are conspicuously lacking insects?

Back 31

Marine

Front 32

About how many species of Arthropoda have been described?

Back 32

1 million

Front 33

The more ancestral conditions of metamorphosis in insects _____.

Back 33

includes many instars that all look similar to an adult

Front 34

Even though most insects are relatively small, they generally require complex systems to increase gas exchange due to ______.

Back 34

being covered by an exoskeleton

Front 35

Globally, the greatest concentration of insects diversity is found in _____.

Back 35

the tropics

Front 36

Echinoderms generally lack the ability to ______.

Back 36

osmoregulate

Front 37

Echinoderms have _____ symmetry as larvae and ____ symmetry as adults.

Back 37

bilateral & radial

Front 38

The _______ of echinoderms is used in all of the following except

Back 38

gamete production

Front 39

As the size of an organism increases, ______ increases faster than _____.

Back 39

volume, surface area

Front 40

About ____% of chordata species are fish

Back 40

50%

Front 41

Which of the following is not an adaptation of amniotes to terrestrial environments?

Back 41

thoracic breathing

Front 42

which of the following is not associated with Chordata?

Back 42

All associated with chordata:
dorsal hollow nerve chord
notochord
post-anal tail
pharyngeal structures

Front 43

_______ have jaws and paired appendages?

Back 43

Gnathostomes

Front 44

Mammals have all of the following except?

Back 44

Mammals have all:
Live birth
hair
zygomatic arch (cheek bones)
mammary glands

Front 45

Which of the following is the closest living relative to birds?

Back 45

Crocodile

Front 46

Basidiomycota

Back 46

mushrooms and toadstools

Front 47

Unionidae

Back 47

likely most endangered group of animals on earth

Front 48

Sacopterygii

Back 48

coelacanths, lungfishes and tetrapods

Front 49

Reptiles

Back 49

only monophyletic if birds are included

Front 50

Lepidosauria

Back 50

Lizards and snakes