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4,900
NDQ_010668
fields in the life sciences
the life sciences include cell biology, molecular chemistry and genetics.
null
null
Multiple Choice
a. true, b. false
b
4,901
NDQ_010669
fields in the life sciences
botany is the study of plants.
null
null
Multiple Choice
a. true, b. false
a
4,902
NDQ_010673
fields in the life sciences
ecology examines how various organisms interact with ____________.
null
null
Multiple Choice
a. other organisms living in oceans, b. populations of microorganisms, c. their environment, d. nucleic acids and proteins
c
4,903
NDQ_010674
fields in the life sciences
genetics is the study of __________.
null
null
Multiple Choice
a. DNA, b. heredity, c. proteins, d. all of the above
b
4,904
NDQ_010675
fields in the life sciences
physiology is the study of the physical and chemical functions of __________ and __________.
null
null
Multiple Choice
a. tissues, organs, b. DNA, proteins, c. cells, molecules, d. plants, animals
a
4,905
NDQ_010676
fields in the life sciences
what kind of scientist studies dolphins?
null
null
Multiple Choice
a. cell biologist, b. marine biologist, c. geneticist, d. morphologist
b
4,906
NDQ_010677
fields in the life sciences
which fields study red blood cells and viruses?
null
null
Multiple Choice
a. cell biology and virology, b. immunology and virology, c. anatomy and physiology, d. microbiology and cell biology
a
4,907
NDQ_010708
food webs
a food chain can go on for 7 or 8 levels.
null
null
Multiple Choice
a. true, b. false
b
4,908
NDQ_010709
food webs
food chains depict the flow of energy through an ecosystem.
null
null
Multiple Choice
a. true, b. false
a
4,909
NDQ_010713
food webs
the first consumer in a food chain is usually the
null
null
Multiple Choice
a. producer., b. herbivore., c. carnivore., d. omnivore.
b
4,910
NDQ_010714
food webs
an owl receives its energy from
null
null
Multiple Choice
a. a snake., b. a mouse., c. a frog., d. all of the above
d
4,911
NDQ_010715
food webs
which is more appropriate?
null
null
Multiple Choice
a. phytoplankton → krill → fish → shark, b. phytoplankton → fish → shark → whale, c. phytoplankton → seaweed → fish → whale, d. shark → fish → krill → phytoplankton
a
4,912
NDQ_010716
food webs
what usually ends a food chain?
null
null
Multiple Choice
a. a decomposer, b. an omnivore, such as a human, c. a top level carnivore, such as an eagle or a lion, d. a food chain will end where it begins, with a producer
c
4,913
NDQ_010717
food webs
what could obtain its energy from the arctic cod?
null
null
Multiple Choice
a. a polar bear, b. a seal, c. an arctic bird, d. all of the above
d
4,914
NDQ_010728
frogs and toads
the biggest frog is about a foot long.
null
null
Multiple Choice
a. true, b. false
a
4,915
NDQ_010729
frogs and toads
most frogs live in tropical rainforests.
null
null
Multiple Choice
a. true, b. false
a
4,916
NDQ_010733
frogs and toads
which represents a frog tadpole?
null
null
Multiple Choice
a. gills, no tail, two powerful back legs, b. gills, a tail, no legs, c. gills and lungs, a tail, small legs, d. lungs, no tail, and four legs
b
4,917
NDQ_010734
frogs and toads
which of the following is a characteristic of an adult frog?
null
null
Multiple Choice
a. long hind legs, b. a short body without a tail, c. webbed finger-like parts, d. all of the above
d
4,918
NDQ_010735
frogs and toads
which best describes the frog eyelids?
null
null
Multiple Choice
a. Three eyelid membranes: one is see-through to protect the eyes on land, and the two other ones let them see underwater., b. Three eyelid membranes: one is see-through to protect the eyes underwater,, c. Two eyelid membranes: one is see-through to protect the eyes on land, and the other one lets them see underwater., d. Three eyelid membranes: one is see-through to protect the eyes underwater, one lets them see on land, and the third is used both underwater and on land.
b
4,919
NDQ_010736
frogs and toads
what causes the female frog to release her eggs during mating?
null
null
Multiple Choice
a. The male seems to squeeze the eggs out of the female., b. A male’s ribbiting call causes the females to release eggs., c. The size and color of the male causes the female to release her eggs., d. The male brings the female food to eat, which causes the female to release her eggs.
a
4,920
NDQ_010737
frogs and toads
what is special about a frogs tongue?
null
null
Multiple Choice
a. They are attached to the front of the frog’s mouth., b. They use a sticky substance to trap their prey., c. They can easily reach 12 inches long., d. all of the above
d
4,921
NDQ_010738
fungi
fungi are all eukaryotes that are not animals, plants or protists.
null
null
Multiple Choice
a. true, b. false
a
4,922
NDQ_010739
fungi
at one time, scientists thought fungi were plants.
null
null
Multiple Choice
a. true, b. false
a
4,923
NDQ_010743
fungi
what best allows fungi to be able to absorb large amounts of nutrients?
null
null
Multiple Choice
a. The ability to digest large molecules., b. The large surface area of fungi., c. the ability to make digestive enzymes., d. All of the above.
b
4,924
NDQ_010744
fungi
where do most fungi live?
null
null
Multiple Choice
a. under decaying logs, b. inside other organisms, c. deep in the soil, d. all of the above
d
4,925
NDQ_010745
fungi
how many different species of fungi are thought to exist?
null
null
Multiple Choice
a. about 1,000, b. about 100,000, c. about 1,000,000, d. about 1,500,000
d
4,926
NDQ_010746
fungi
fungi are essential members of all ecosystems. what best describes the role of fungi in ecosystems.
null
null
Multiple Choice
a. Producer-the fungi makes the food for the ecosystem., b. Herbivore-the fungi feeds on plants., c. Carnivore-the fungi feeds on animals., d. Decomposer-the fungi feeds on the remains of organisms.
d
4,927
NDQ_010747
fungi
which eukaryotes are heterotrophs?
null
null
Multiple Choice
a. plants and animals, b. plants and fungi, c. fungi and animals, d. fungi and protists
c
4,928
NDQ_010748
fungi classification
scientists used to think that fungi were members of the protist kingdom.
null
null
Multiple Choice
a. true, b. false
b
4,929
NDQ_010749
fungi classification
like plants, fungi are autotrophs.
null
null
Multiple Choice
a. true, b. false
b
4,930
NDQ_010753
fungi classification
which statement is true concerning the cell wall?
null
null
Multiple Choice
a. The cell walls in many species of fungi contain chitin., b. Chitin is a tough carbohydrate, also found in shells of many animals., c. The cell wall of plant cells does not have chitin., d. All of the above are true.
d
4,931
NDQ_010754
fungi classification
which of the following is a type of mold?
null
null
Multiple Choice
a. Oyster, b. Cremini, c. brewer’s yeast, d. Penicillum
d
4,932
NDQ_010755
fungi classification
xylem transports water from the roots upward. which of the following organisms has xylem to transport water?
null
null
Multiple Choice
a. molds, b. mushrooms, c. yeasts, d. none of the above
d
4,933
NDQ_010756
fungi classification
it is thought that fungi are similar to plants. what is one significant difference between the two?
null
null
Multiple Choice
a. Fungi have cell walls., b. Fungi are heterotrophic., c. Fungi have chloroplasts., d. all of the above
b
4,934
NDQ_010757
fungi classification
brewers yeast and bakers yeast are actually the same fungus. brewers yeast produced alcohol as a by-product of the fermentation process. which statement is true concerning this type of yeast?
null
null
Multiple Choice
a. Yeast is a single-celled organism., b. Yeast cells are heterotrophic., c. Yeast cells use glucose for energy., d. All of the above are true.
d
4,935
NDQ_010758
fungi reproduction
many fungi reproduce both sexually and asexually.
null
null
Multiple Choice
a. true, b. false
a
4,936
NDQ_010759
fungi reproduction
spores are found in bacteria, plants, algae, fungi, and some protozoa.
null
null
Multiple Choice
a. true, b. false
a
4,937
NDQ_010763
fungi reproduction
how do yeast reproduce?
null
null
Multiple Choice
a. by using spores, b. budding, c. fragmentation, d. sexually
b
4,938
NDQ_010764
fungi reproduction
which statement is correct concerning fungal reproduction?
null
null
Multiple Choice
a. Spores are released when the sporangia form., b. Spores are released when the sporangia burst., c. Spores are formed from the hyphae., d. Hyphae form from the sporangia.
b
4,939
NDQ_010765
fungi reproduction
which statement is correct concerning fungal reproduction?
null
null
Multiple Choice
a. Spores are released from the fruiting body., b. Two hyphae of opposite types combine to form a mycelium with a sporangia., c. The fruiting body forms from the sporangia., d. All of the above are true.
d
4,940
NDQ_010766
fungi reproduction
which is true of asexual reproduction in fungi?
null
null
Multiple Choice
a. Spores can be used asexually to produce countless offspring., b. Spores can be released in a powder-like substance., c. The new organisms produced are genetically identical to the parent., d. All of the above are true.
d
4,941
NDQ_010767
fungi reproduction
why reproduce sexually when asexual reproduction is much quicker?
null
null
Multiple Choice
a. Sexual reproduction produces more offspring., b. Sexual reproduction produces better fungi., c. Sexual reproduction brings together traits from two parents., d. all of the above
c
4,942
NDQ_010808
gymnosperms
the root word of gymnosperms means naked.
null
null
Multiple Choice
a. true, b. false
a
4,943
NDQ_010809
gymnosperms
gymnosperms have seeds but no fruit.
null
null
Multiple Choice
a. true, b. false
a
4,944
NDQ_010813
gymnosperms
the fruit of which gymnosperm is carried on the fur of animals?
null
null
Multiple Choice
a. pine trees, b. Sego Palms, c. Ephedra, d. gymnosperms do not make fruits
d
4,945
NDQ_010814
gymnosperms
which phylum of gymnosperms contains a living fossil?
null
null
Multiple Choice
a. Conifers, b. Cycads, c. Ginkgoes, d. Gnetophytes
c
4,946
NDQ_010815
gymnosperms
which phylum of gymnosperms contains plants that were dominant during the age of dinosaurs.
null
null
Multiple Choice
a. Conifers, b. Cycads, c. Ginkgoes, d. Gnetophytes
b
4,947
NDQ_010816
gymnosperms
the fir trees and cedars belong to which phylum of gymnosperms?
null
null
Multiple Choice
a. Conifers, b. Cycads, c. Ginkgoes, d. Gnetophytes
a
4,948
NDQ_010817
gymnosperms
which phylum of gymnosperms contains unusual desert shrubs?
null
null
Multiple Choice
a. Conifers, b. Cycads, c. Ginkgoes, d. Gnetophytes
d
4,949
NDQ_010818
habitat and niche
only 2 species at the most can share the same niche.
null
null
Multiple Choice
a. true, b. false
b
4,950
NDQ_010819
habitat and niche
only 2 species at the most can have the same habitat.
null
null
Multiple Choice
a. true, b. false
b
4,951
NDQ_010823
habitat and niche
a niche includes the organisms
null
null
Multiple Choice
a. role in the flow of energy through the ecosystem, b. role in the recycling of nutrients in the ecosystem., c. role in interacting with other organisms., d. all of the above
d
4,952
NDQ_010824
habitat and niche
what will happen if two species occupy the same niche?
null
null
Multiple Choice
a. The two species will compete with each other., b. One species will out-compete the other., c. One species may go extinct., d. all of the above
d
4,953
NDQ_010825
habitat and niche
what primarily determines the plants that can live in a specific habitat?
null
null
Multiple Choice
a. the animals of the habitat, b. the abiotic factors of the habitat, c. the biotic factors of the habitat, d. the temperature of the habitat
b
4,954
NDQ_010826
habitat and niche
once a niche is left vacant, what happens?
null
null
Multiple Choice
a. species compete for the vacant niche, b. a new species evolves to fill the niche, c. the niche adapts for an existing species, d. the niche disappears
b
4,955
NDQ_010827
habitat and niche
causes of habitat destruction include
null
null
Multiple Choice
a. man-made situations., b. pest and weed invasion., c. poor fire management., d. all of the above
d
4,956
NDQ_010828
habitat destruction
humans often destroy the habitats of other organisms.
null
null
Multiple Choice
a. true, b. false
a
4,957
NDQ_010829
habitat destruction
habitat destruction is a natural process of succession.
null
null
Multiple Choice
a. true, b. false
b
4,958
NDQ_010833
habitat destruction
at current rates of deforestation, all tropical forests will be gone by the year __________.
null
null
Multiple Choice
a. 2050, b. 2070, c. 2090, d. 2100
c
4,959
NDQ_010834
habitat destruction
consequences of slash-and burn-agriculture include
null
null
Multiple Choice
a. deforestation, b. desertification., c. denitrificatin., d. all of the above
b
4,960
NDQ_010835
habitat destruction
causes of habitat destruction include
null
null
Multiple Choice
a. poor fire management and storm damage., b. mining and pollution., c. overfishing., d. all of the above
d
4,961
NDQ_010836
habitat destruction
invasive species can de destructive as they
null
null
Multiple Choice
a. disrupt food chains., b. prey on native species., c. out-compete native species for limited resources., d. all of the above
d
4,962
NDQ_010837
habitat destruction
how do humans contribute to habitat destruction?
null
null
Multiple Choice
a. by triggering severe earthquakes., b. by introducing non-native species of plants and animals., c. by developing devastating storms., d. all of the above
b
4,963
NDQ_011008
human uses of fungi
fungi are important decomposers in the environment.
null
null
Multiple Choice
a. true, b. false
a
4,964
NDQ_011009
human uses of fungi
without fungi, there might not be any beer or wine.
null
null
Multiple Choice
a. true, b. false
a
4,965
NDQ_011013
human uses of fungi
which food is made with the help of fungi?
null
null
Multiple Choice
a. soy sauce, b. tempeh, c. bread, d. all of the above
d
4,966
NDQ_011014
human uses of fungi
which of the following is made through fermentation by fungi?
null
null
Multiple Choice
a. bread, soy sauce and tempeh, b. beer, wine, and bread, c. beer, wine and coke, d. beer, wine and grape juice
b
4,967
NDQ_011015
human uses of fungi
what makes blue cheese blue?
null
null
Multiple Choice
a. food coloring, b. sour milk, c. fungal spores, d. all of the above
c
4,968
NDQ_011016
human uses of fungi
penicillin, a drug produced by the fungus p. chrysogenum, was accidentally discovered by alexander fleming in 1929, and found to inhibit the growth of bacteria. its potential as a medicine was realized in the late 1930s, just prior to world war ii, during which the drug had lots of success. why was this drug so successful?
null
null
Multiple Choice
a. Penicillin, as an antibiotic, prevented soldiers from dying from infections., b. Penicillin, as a painkiller, kept soldiers from dying of shock due to pain., c. Penicillin, as a medicine promoting blood clotting, kept soldiers from bleeding to death., d. Penicillin, as a decomposer, was able to feed off of dead tissue, keeping soldiers from losing limbs.
a
4,969
NDQ_011017
human uses of fungi
which of the following statements is true
null
null
Multiple Choice
a. The deadly Death Cap mushroom can be treated with penicillin., b. The effects of too much beer or wine can be countered with antibiotics., c. Penicillin is produced by fungal fermentation., d. Antibiotics do not treat fungal diseases.
d
4,970
NDQ_011018
human vision
human beings and other primates depend on vision more than many other animals.
null
null
Multiple Choice
a. true, b. false
a
4,971
NDQ_011019
human vision
humans have the best vision of all animals.
null
null
Multiple Choice
a. true, b. false
b
4,972
NDQ_011023
human vision
why is color vision important?
null
null
Multiple Choice
a. to camouflage oneself to escape danger, b. to find trees with green leaves, c. to find ripe fruit to eat, d. all of the above
c
4,973
NDQ_011024
human vision
why can bees and butterflies see colors that we cannot?
null
null
Multiple Choice
a. because it helps them avoid predators, b. because it leads them into flowers, c. because it tells them which fruits to eat, d. all of the above
b
4,974
NDQ_011025
human vision
why did three-dimensional vision evolve?
null
null
Multiple Choice
a. it helped tree-living primates survive, b. it helped primates move among the trees, c. it helped primates judge distances, d. all of the above
d
4,975
NDQ_011026
human vision
how does the brain interact with the eyes?
null
null
Multiple Choice
a. the eyes sense the light, the eyes form images, and the brain interprets the, b. the eyes sense the light, the brain form images, and the eyes interpret the images, c. the eyes sense the light, the brain forms images, and the brain interprets the images, d. the eyes sense the light, the eyes and brain together form images, and the brain interprets the images
a
4,976
NDQ_011027
human vision
which best depicts vision in humans?
null
null
Multiple Choice
a. see both distant and close-up objects clearly, and can see in two dimensions and in color, b. see both distant and close-up objects clearly, and can see in three, c. see distant objects clearly, and can see in three dimensions and in color, d. see close-up objects clearly, and can see in three dimensions and in color
b
4,977
NDQ_011028
humans and primates
humans are great apes.
null
null
Multiple Choice
a. true, b. false
a
4,978
NDQ_011029
humans and primates
genetically, there is very little difference between humans and the other great apes.
null
null
Multiple Choice
a. true, b. false
a
4,979
NDQ_011033
humans and primates
what is the preferred food among most great apes?
null
null
Multiple Choice
a. nuts, b. fruit, c. tree-living insects, d. leaves
b
4,980
NDQ_011034
humans and primates
which hominidae does not use language?
null
null
Multiple Choice
a. orangutans, b. chimpanzee, c. gorilla, d. All Hominidae use some sort of language.
d
4,981
NDQ_011035
humans and primates
which great apes walk on two limbs?
null
null
Multiple Choice
a. all Great Apes walk on two limbs, b. the monkeys, c. humans and gorilla, d. humans only
d
4,982
NDQ_011036
humans and primates
which best describes most newborn great apes?
null
null
Multiple Choice
a. mature and able to care for themselves, b. mature needing just brief parental support, c. helpless, needing extended parental care, d. helpless, needing brief parental care
c
4,983
NDQ_011037
humans and primates
which is a specialized feature of humans?
null
null
Multiple Choice
a. increased bone mass of the skull, b. increased dexterity of the hands, c. decreased frontal lobes of the brain, d. all of the above
b
4,984
NDQ_011048
importance of arthropods
insects and their grubs are extremely nutritious.
null
null
Multiple Choice
a. true, b. false
a
4,985
NDQ_011049
importance of arthropods
insects are eaten by about 1 of every 3 people on earth.
null
null
Multiple Choice
a. true, b. false
a
4,986
NDQ_011053
importance of arthropods
which country produces the most crustaceans for food?
null
null
Multiple Choice
a. Indonesia, b. Japan, c. China, d. the United States
c
4,987
NDQ_011054
importance of arthropods
how many species of bees pollinate crops?
null
null
Multiple Choice
a. about 25, b. about 100, c. about 350, d. about 3,500
d
4,988
NDQ_011055
importance of arthropods
approximately how many species of insects are edible?
null
null
Multiple Choice
a. about 100, b. about 200, c. about 1,000, d. about 2,000
d
4,989
NDQ_011056
importance of arthropods
which arthropods are the most likely pollinators?
null
null
Multiple Choice
a. bees and wasps, b. butterflies and moths, c. ants, flies and beetles, d. All of the above are good pollinators.
d
4,990
NDQ_011057
importance of arthropods
what arthropod produces a substance used in kevlar vests, fishing nets, surgical sutures, and adhesives?
null
null
Multiple Choice
a. bees, b. spiders, c. caterpillars, d. silkworm
b
4,991
NDQ_011058
importance of biodiversity
the coral reef is an ecosystem with high biodiversity.
null
null
Multiple Choice
a. true, b. false
a
4,992
NDQ_011059
importance of biodiversity
a lot of technology used by humans comes from observing organisms in the wild.
null
null
Multiple Choice
a. true, b. false
a
4,993
NDQ_011063
importance of biodiversity
what ecosystem has the highest biodiversity?
null
null
Multiple Choice
a. a desert, b. a rainforest, c. an aquarium, d. All ecosystems have the same biodiversity.
b
4,994
NDQ_011064
importance of biodiversity
the loss of what type of species probably has the greatest effect on an ecosystem?
null
null
Multiple Choice
a. a producer, b. a consumer, c. a carnivore, d. an omnivore
a
4,995
NDQ_011065
importance of biodiversity
fungi, plants, and animals provide us with
null
null
Multiple Choice
a. shelter., b. medicine., c. clothing., d. all of the above
d
4,996
NDQ_011066
importance of biodiversity
specifically, animals provide us with
null
null
Multiple Choice
a. poisons, timber, fibers, adhesives, and resins., b. paper, silks, rubber and dyes., c. skins, fur and food., d. all of the above
c
4,997
NDQ_011067
importance of biodiversity
which of the following is a component of biodiversity?
null
null
Multiple Choice
a. the genetic differences among the organisms of an ecosystem, b. the actual communities and ecosystems, c. the variety of life and its processes, d. all of the above
d
4,998
NDQ_011068
importance of birds
turkey eggs are a popular item consumed worldwide.
null
null
Multiple Choice
a. true, b. false
b
4,999
NDQ_011069
importance of birds
chickens have been raised as food for over 3,000 years.
null
null
Multiple Choice
a. true, b. false
a