life science questions for apatutor

life science questions for apatutor

Question 1Lichens areA. insensitive to changes in the environment.B. symbiotic associations between a fungus and an alga.C. parasitic interactions between a fungus and an alga.D. only found growing on living matter.E. capable of causing some obscure diseases..5 pointsQuestion 2Mammals have two traits that set them apart from all other
animals. These areA. four-chambered heart and body hair or fur.B. body hair or fur, and being homeothermic.C. amniotic eggs and milk production.D. four-chambered heart and milk production.E. body hair or fur, and milk production..5 pointsQuestion 3In general, mammals are not good at dispersing chili plant seeds
becauseA. the chili seeds do not stick to the mammals’ fur.B. the mammals do not travel very far before they release the
chili seeds.C. chili seeds are dispersed mainly by the wind.D. the mammals are the main pollinators for the chili plant.E. the seeds die as they pass through the digestive tract..5 pointsQuestion 4It is generally thought that animals have undergone four major
physiological and anatomical innovations during their evolution.
These are (in no particular order)A. bilateral symmetry, development of tissues, origin of the
multichambered heart, origin of patterns of embryonic
development.B. development of the versatile forelimb, multicellularity,
origin of patterns of embryonic development, development of
tissues.C. origin of patterns of embryonic development, development of
the versatile forelimb, origin of the multichambered heart,
multicellularity.D. multicellularity, bilateral symmetry, origin of patterns of
embryonic development, development of tissues.E. development of tissues, photosynthesis, bilateral symmetry,
multicellularity..5 pointsQuestion 5In bryophytes, the rhizoidsA. serve as attachment structures.B. are involved in reproduction.C. lure possible prey.D. obtain water.E. obtain nutrients..5 pointsQuestion 6This characteristic allows fungi to withstand heat and drought
conditions.A. hyphaeB. myceliaC. sporesD. cell wallsE. specialized organelles.5 pointsQuestion 7Which of the following are adaptations to land of both
gymnosperms and angiosperms but are lacking in ferns and
mosses?A.pollen and seedsB.sporesC.fruits and flowersD.vascular systemE.roots, stems, and leaves.5 pointsQuestion 8Which of the following characteristics is not shared by typical
birds and mammals?A. four limbsB. four-chambered heartC. milk productionD. endothermyE. insulating skin structures.5 pointsQuestion 9Which of the following adaptations to life on land is found in
both insects and modern reptiles?A. ability to flyB. body surfaces that resist evaporationC. two pairs of walking legsD. tracheae to distribute oxygenE. metamorphosis from a larval form.5 pointsQuestion 10Which of the following is not a characteristic differentiating
Neanderthals from modern humans?A. Neanderthals had larger noses.B. Neanderthals had projecting brow ridges.C. Neanderthals were stronger.D. Neanderthals had smaller brains.E. Neanderthals were shorter..5 pointsQuestion 11Fungi exhibit certain characteristics. One of these
characteristics is that theyA. reproduce using spores.B. lack cell nuclei.C. reproduce using seeds and pollen.D. are capable of carrying on photosynthesis.E. are prokaryotes..5 pointsQuestion 12The segmented worms of the phylum AnnelidaA. have an open circulatory system.B. display radial symmetry.C. are acoelomate.D. move by use of flagella.E. possess setae on each segment..5 pointsQuestion 13All of the following are parts of a flower except theA. fruit.B. cuticle.C. ovary.D. carpel.E. stamen..5 pointsQuestion 14Cnidarians and ctenophores are similar in that they both
haveA. a digestive tract with two openings.B. a pseudocoel.C. radial symmetry.D. mesoderm.E. nematocysts..5 pointsQuestion 15Green algae such as Ulva demonstrate an alteration of
generations. The diploid phase is called theA. zygote.B. diploid generation.C. sporophyte generation.D. embryo.E. gametophyte generation..5 pointsQuestion 16It is generally thought that four critical innovations arose
during the evolution of our ape-like ancestors into humans. All of
the following are innovations exceptA. bipedalism.B. use of brain power for abstract thought.C. expansion of the human brain.D. toolmaking.E. development of the opposable thumb..5 pointsQuestion 17In plants, the secondary metabolites are primarily responsible
forA. defense.B. food gathering.C. nutrition.D. protection against ultraviolet radiation.E. overcoming air pollutants..5 pointsQuestion 18Plants have adapted to dry land by evolving all of the following
exceptA. association with mycorrhizae to improve mineral uptake.B. structures to protect reproductive cells and embryos.C. secreting a waxy coating to prevent water loss.D. tissues to conduct water through the plant.E. forms of chlorophyll more efficient at capturing light..5 pointsQuestion 19In cnidarians, nematocysts are important inA. obtaining prey.B. obtaining oxygen from the water.C. movement.D. food digestion.E. excretion of wastes..5 pointsQuestion 20All members of the phylum Chordata shareA. tails present throughout their lives.B. a notochord present sometime in their lives.C. a vertebral column.D. gills present throughout their lives.E. exoskeletons

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