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19Animals
Ch. 19 Animals (Adv. Bio)
| Question | Answer |
|---|---|
| Have modified reptilian scales... | Birds |
| Hypothesized to be ancestral to animals (very beginning...) | Choanoflagellates |
| Extraembryonic membranes of the amniote egg have been modified for internal development within the uterus... | Placental mammals |
| Insects have wings and three pairs of legs attached to the... | Thorax |
| Sharks are examples of... | Cartilaginous fishes |
| Mammals are ___, capable of balancing their internal temperatures... | Endothermic |
| Bipedal but had a small brain... | Australopithecus afarensis |
| Cnidarians are considered to be organized at the ___ level... | Tissue |
| Being arranged around a central point... | Radial symmetry |
| Having mirror-image, right and left halves... | Bilateral symmetry |
| The type of mollusc that has tentacles... | Cephalopod |
| Insects typically have ___ pairs of legs... | 3 |
| Arachnids typically have ___ pairs of legs... | 4 |
| In chordates, located just below the nerve cord toward the back... | Notochord |
| Have a chitin exoskeleton... | Arthropods |
| Move by pumping water... | Echinoderms |
| Animals are members of the domain... | Eukarya |
| Must acquire nutrients from external sources... | Heterotrophic |
| Most animals begin life as a(n) ___ | Fertilized egg |
| Some animals undergo a change in body form, from larval stage to adult... | Metamorphosis |
| Give rise to all other tissue layers and organs in the body... | Germ layers |
| The inner-most germ layer... | Endoderm |
| The outer-most germ layer... | Ectoderm |
| Localization of the brain and specialized sensory organs at the anterior end of the organism... | Cephalization |
| Repitition of body plan along the length of the body... | Segmentation |
| In, ___ the blastopore becomes the mouth... | Protostomes |
| In, ___ the blastopore becomes the anal opening... | Deuterostomes |
| Asexual reproduction by fragmentation... | Budding |
| Bilaterally symmetrical acoelomates... | Flatworms |
| Coelomate organisms with a complete digestive tract; includes octopus... | Molluscs |
| Jointed appendages, exoskeleton, segmentation, well-developed nervous system, etc... | Arthropods |
| Nonsegmented with a fluid-filled pseudocoelom... | Roundworms |
| Possess both male and female sex organs... | Hermophrodites |
| Radially symmetrical and capture prey with ring of tentacles that bear stinging cells... | Cnidarians |
| Sac-like bodies perforated by many pores... | Sponges |
| Segmented worms... | Annelids |
| Shedding of the exoskeleton with growth... | Molting |
| Study of insects... | Entomology |
| Widely recognized as biodiversity hotspots... | Coral reefs |
| Mammals become wide-spread because they could ___ to most environments on earth.. | Adapt |
| Modern humans evolved in one location and then spread to other areas through migration... | Out-Of-Africa Hypothesis |
| Modern humans began to spread outward and, through convergent evolution, adapted in similar ways to similar conditions... | Multiregional Hypothesis |
| Unlike bony fishes, amphibians have ... | Ears |
| The Spiny anteater and the Duckbill platypus are examples of ... | Monotremes |
| The Koala and the Tasmanian wolf are examples of.. | Marsupials |
| The first human-like feature to evolve in hominins was... | Bipedalism |
| Encompasses human behavior and products, is dependent on the capacity to speak and transmit knowledge... | Culture |
| First characteristic to develop that lead to the animal line... | Multicellularity |
| Turtles, crocodiles, lizards... | Reptiles |
| Body temperature matches the temperature of the external environment... | Ectothermic |
| Most numerous and diverse of all the vertebrates... | Bony fishes |
| Living both on land and in the water... | Amphibians |
| Lack features associated with vertebrates, yet all the invertebrates they are most closely related to chordates... | Echinoderms |
| Hard, crusty exoskeletons... | Crustaceans |
| Spiders, scorpions, ticks... | Arachnids |
| Secrete a nonliving exoskeleton that must be shed in order for the organism to grow... | Ecdysozoans |
| "Stomach-footed"... | Gastropods |
| "Head-footed"... | Cephalopods |
| Clams, oysters, scallops... | Bivalves |
| Tubule, found in annelids, that collects waste material and excretes it through an opening in the body wall... | Nephridium |
| Space between the two folds of the mollusc mantle... | Mantle cavity |
| Rasping, tongue-like organ of molluscs used to obtain food... | Radula |
| Soft-bodied portion of the mollusc that contains internal organs... | Visceral mass |
| Organism, like the sponge. that 'strains' food from the water by means of a device, usually pores of some type.... | Filter-feeder |
| Body cavity... | Coelom |
| Grow by adding additional mass to their existing body... | Lophotrochozoans |
| States animals are descended from an ancestor that resembled a hollow, spherical colony of flagellated cells... | Colonial flagellate hypothesis |
| Include monkeys, apes, and humans... | Anthropoids |
| Includes only the apes, chimps and humans as well as the closest extinct relatives... | Hominid |
| Famous female skeleton dated at 3.18 MYA, small brain, and according to proportions of limbs the she stood upright and walked on two legs... | Lucy |
| Massive brow ridges, nose/jaw/teeth protruded far forward, forehead was low ad sloping, and lacked a chip... | Neandertals |
| Oldest fossils to be designated H. sapiens... | Cro-Magnons |
Created by:
SavannahElkins
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