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128 Cards in this Set
- Front
- Back
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Coacervates are similar to cells but lack which of the following a genetic info b interior fluid c complex organic molecules d the chemical properties of cells. |
A. genetic info. |
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The planets of our solar system gained mass for a half-billion years after their formation as a result of which of the following? |
B collisions with space debris. |
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If the halflife of carbon 14 is 5730 years, how many would it take for 7/8s of the original sample to decay |
C. 17190 years. |
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Cholorplasts: cyanobacteria :: mitochondria : ??? |
B aerobic Prokaryotes. |
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What is the term for the idea that geologic processes occurring now on Earth are much the same as those that occurred long ago? |
B. Uniformitarianism |
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What is the term for the biological process by which the kinds of organisms on earth change over time? |
A Evolution. |
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When the internal structures of two species are very similar what can be inferred of the two species> |
D They evolved from a common ancestor. |
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Beak size in finches is correlated to the size of seeds they can eat what can be inferred from the graph? |
B In dry years the finches that survive are mostly those that can eat larger seeds. |
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Vestigial : functional: :: vacated : |
D occupied |
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What does the diagram imply about warbler finches and armadillo? |
C they form a common ancestor. |
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What is the term for the total genetic information in a population? |
A gene pool |
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Saint Bernard's and chihuahuas cannot normally mate due to size, so to an extent they reproduce in isolation. What type of isolating mechanism is operating? |
B Prezygotic. |
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How do mutations affect genetic equilibrium? |
C. `Mutations introduce new alleles |
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Which model of speciation is illustrated by model a in the graph |
A gradualism |
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Which model of of speciation rates is illustrated by model B in the graph? |
D punctuated equilibrium. |
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Genotype : allele :: phenotype : |
A Trait. |
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Which type of selection is modeled in the illustration above? |
D directional selection. |
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Which information is given to a species name? genus and order? |
C genus and species identifier |
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To which level of classification does a group of closely related species of organisms belong? |
C Genus. |
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Eukaryotic organisms that have a nucleus and organelles have a cell wall made of chitin and secrete digestive enzymes belong to which kingdom. |
A fungi |
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On the basis of this clado gram, Which plants share the most recent common ancestor? |
D pin trees and flowering plants. |
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Class: Order:: Kingdom: |
D phylum |
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Which level of classification represents a species? |
A. A |
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What are the levels of organization in ecology? |
C organism, popuulation, community, ecosystem, biosphere. |
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What makes up the ecosystem? |
D all the living and nonliving factors in an environment. |
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Which of the following are abiotic factors? |
C sunlight |
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How do decomposers benefit an ecosystem? |
A by returning nutrients to the soil. |
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what is the term for the kinds of organisms that make up the trophic level labeled C? |
B consumers. |
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Bear omnivore vulture |
C detritivore. |
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What roe do the krill have in this food chain? |
B they are consumers. |
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Which of the following is a population> |
D.All the fish of the same species in a lake |
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Which of the following is true in exponential model of population growth? |
A population growth continues indefinitely. |
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Which of the following refers to the population size that can be sustained by an environment over time. |
C carrying capacity. |
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Which of the following is a density dependent factor for a population of deer in a forest? |
D the number of cougars in the forest? |
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In the graph which time period shows negative growth of the population? |
D phase 4 |
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Birth rate death rate immigration |
C emigration. |
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AT which point would a density dependent limiting factor have a greater impact on the population? |
C 3 |
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A certain tropical tree has fruit that is eaten by only one species of bat. |
B mutualism |
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Why are estuaries more productive than most other biomes? |
B estuaries have shallow nutrient laden water. |
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Which of the following characterizes the neritic zone of the ocean? |
D it receives nutrients washed from the land |
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Which of the following is true of temperate deciduous forests? |
C they undergo seasonal changes in temperature |
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Which of the following best describes the water of all eutrophic lakes? |
C murky |
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Which of the following biomes is best represented by this graph? |
C Tropical rain forest |
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Grasses savanna coniferous trees |
A taiga |
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If a scientist needed to add a bar representing the temperate grassland biome to this graph where should the bar be placed? |
B between the savanna and the estuary |
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How do bacteria produce yogurt from milk? |
B fermentation |
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What are the rodshaped bacteria called |
B bacilli |
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What are thermoacidophiles? |
B Archae |
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Genetic recombination in bacteria can occur during which process? |
A Conjugation |
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Which of the following antibiotics killed the bacteria most effectively? |
D Streptomycin |
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Which of the following had no effect? |
D cepahlosporin |
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Obligate aerobe oxygen obligate anaerobe |
B absence of oxygen |
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What shape is represented by Organism c? |
C spirillum
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You would expect the members of the bacterial genus bacillus to be what type of shape? |
A rod shaped |
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What are viruses made of? |
C Protein and nucleic acids |
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How do viroids differ from viruses? |
B No capsid |
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During which of the following processes does a phage kill its host? |
C The lytic cycle |
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Which of the following is one reason why viruses are not considered living organisms? |
B viruses dont metabolize |
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Skin person capsid |
Virus |
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Most scientists believe protists evolved from |
D prokaryotes |
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Protist habitats are often characterised by the presence of which? |
D moisture |
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Flagella are characteristic of members of which phylum> |
D sarcomastigophora |
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Bacillariophyta autotrophs apicomplexa |
C parasites |
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What are the fungi that feed on decaying organic matter called? |
D saprophytes |
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Lichens represent a symbiotic association between afungus and which other type of organism? |
A an alga |
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In a mycorrhiza a fungus lives in a symbiotic relationship with which of the following? |
B a plant |
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What is the structure labeled x called> |
C Sporangium` |
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To what phylum does the fungus in the diagram above belong? |
B zygomycota |
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Septa septum asci |
A ascus. |
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which of the following plants are bryophytes |
C hornworts and liverworts |
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In which way do mosses help start new biological communities? |
A forming new soil |
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True roots stems and leaves are characteristics of which types of plants |
B cycads |
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Which of the following phrases describes monocotts? |
B have parallel venation |
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Bryophytes spore angiosperm |
A seed |
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Which of the following are the main function of collenchyma and sclerenchyma? |
B support |
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Most monocots do no thave which of the following |
D secondary growth |
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Which of the following structures is found in stems but not roots |
A nodes |
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The movement of water through a plant is driven by the loss of water vapor from which structure? |
C leaves |
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Mesophyll photosynthesis sapwood |
C water transport |
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The production of a single type of spore is characteristic of the life cycles of which kinds of plants? |
A mosses and most ferns |
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Why is sexual reproduction in gymnosperms and other seed plants independent of seasonal rains? |
B pollinators or wind carry the sperm to the eggs |
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Generative cell pollen grain egg cell |
D embryo sac |
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Which structure of the corn kernel is the endosperm |
A 1
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Which of the following is the name for the process in which flowering is stimulated by exposure of plants to cold? |
B vernalisation |
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Which of the following is the result of abscission |
A leaves fall off stems |
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Which of the following describes the relationship between nastic movements and a stimulus? |
D nastic movements occur independently of the direction of stimulus |
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What is the response of a plant to the length of days and nights called? |
B phototropism |
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Cell elongation gibberellins cell division |
C cytokinins |
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What are the basic tissue types in an embryo called? |
B germ layers |
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The diagrams represent the development of |
C octopus |
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With which of the following is the process illustrated above associated? |
C spiral cleavage
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Mesoderm |
Vertebrae
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which has radial symmetry? |
Jellyfish |
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Why are spongin and spicules important to sponge? |
C provide support |
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Which of the following structures are involved in both feeding and sexual reproduction in sponges? |
D choanocytes and amoebocytes |
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Which of the following is not a characteristic of cnidarians? |
B Choanocytes |
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Sponge osoculum hydra |
mouth |
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IN which class is this body form dominate? |
D scyphozoa |
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Whats a pharynx for |
A feeding |
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Where do blood flukes of the genus schistosoma reproduce asexually? |
D inside a humans blood vessels |
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Which of the followin is true of most rotifers? |
C they feed with the help of cilia |
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Fluke schistosomiasis filarial worm |
Elephantasis |
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Which structures are involved in excretion |
C m and N |
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Why do terrestrial snails and slugs need an environment with a high moisture content? |
A To avoid drying out |
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Which of the following are the only mollusks with a closed circulatory system? |
D cephalopods |
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Annelids are divided into three classes based partly on the number of which of the following |
A setae |
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Nephridium excretion clitellum |
Reproduction |
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What do all anthropods have in common? |
D jointed appendages |
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What is the chitin containing structure that protects and supports the body of an arthropod? |
D an exoskeleton |
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Which of the following statements is true about compound eyes |
D are composed of many individual light detectors |
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How do mites and ticks differ from spiders? |
fused abdomens |
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Which animal has a chitinous exoskeleton? |
B grasshopper |
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Mandible crayfish celicera |
Scorpian |
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In a sea star gas exchange and excretion of wastes take place by diffusion through which of the following structures |
B skin gills |
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Echinoderms = Starfish and sand dollars |
Pentaradial! |
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Which of the follwing most closely resembles the fossils of ancient echinoderms |
Crinoidea |
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Atriopore |
Excretion |
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Which of the following is true about sharks and rays |
B they have placoid scales |
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Sharks |
D Chondricthyes
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The forelimbs of vertebrates evolved from which structures in lobe finned fishes? |
Pectoral fins |
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Amphibians must lay eggs in water primarily for what reason> |
The eggs do not have multicellular membranes and a shell |
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Anura frogs gymnophiona |
Caecilians |
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What made reptiles a dominant species is the mesozoic era? |
Well adapted to dry areas |
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What are the two basic parts of a turtles shell? |
Plastron and carapace |
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What is the purpose of growing a new tail |
Ability to escape from predators |
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Long legless bodys have helped snakes do what? |
D burrow and move througgh thick vegetation |
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Endotherms |
Mammals |
