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Biology

A child who recants (takes back) a disclosure of abuse was probably not abused.

Donald Ward

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What is one possible meaning of a single prolonged blast of a horn?

Ramon Kelly

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Currently where are we in the cycle of biodiversity? A. beginning of mass extinction B. middle of mass extinction C. near the end of mass extinction

Annie Barnes

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Which human activity negatively affects the stability of the environment? a.Cutting down all trees in a forest b.Recycling paper c.Planting trees d.Riding bicycles?

Dana Keller

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Which specific term describes teeth with two ridges, as found in old world-monkey molars?

Craig Stewart

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What observation is explained by the law of independent assortment? Recessive trait forms are always hidden in the F 1 generation. Each pair of chromosomes separates on its own during meiosis. Dominant trait forms are always displayed in the F 1 generation. Homologous chromosomes cluster in tetrads during meiosis.

Ramon Kelly

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What enzyme is used to “glue” together the ends of cut pieces of DNA? a. DNA ligase b. protease c. restriction enzymes d. RNA polymerase e. DNA polymerase

Rodney Fox

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This is a widely used nonrenewable resource that is formed over millions of years. a. wood b. water c. oil d. sand

Blair Lewis

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Which summarizes the products of glycolysis? ATP, NADH, and pyruvic acid ATP, CO2, and pyruvic acid glucose, ATP, and NADH NAD+, NADH, and ADP

Donald Ward

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What does a community undergo succession

Cynthia Baker

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The __________, a layer of the endometrium, is shed during each menstruation and is then regenerated by the __________.

Samantha Barber

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Which of the following is part of the peripheral nervous system? spinal cord sensors brain all of the above

Jessie Thompson

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How can biomass energy use improve water quality? a. The combustion of biomass material to produce energy improves water quality by filtering out pollutants. b. Biomass energy use does not require water, which reduces the impact of other energy producing technologies on water quality. c. Soil erosion and sedimentation are decreased during biomass crop growth. d. All of the above

Rodney Fox

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Explain the difference between positive and negative control over transcription. drag the appropriate items to their respective bins.

Ashley Howard

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Environmental manipulation can result in unforeseen consequences true or false

Jeremy Wood

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Glucose is classified as a a. polymer. b. monomer. c. disaccharide. d. polysaccharide.

Craig Stewart

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All of the following are characteristics of Igneous rocks EXCEPT: a. igneous rocks are always thin and brittle c. some igneous contain vesicules b. igneous rocks contain interlocking grains d. igneous rock are composed of crystals

Rodney Fox

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Sunlight and nutrient availability are the factors influencing _____. phytoplankton biomass photosynthetic productivity chemosynthesis primary production

Rodney Fox

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Where do electrons get their energy in photosystem 2

Heather Maxwell

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Which of the following can produce a duplicate gene A. Genetic drift in reproduction B. neutral mutation during transcription C.chromosome replication during mitosis D. Crossing over during mitosis

Roger Moore

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Which mechanism requires energy? A. Exocytosis B. Osmosis C. Diffusion of oxygen into a red blood cell. D. Diffusion of ions through a potassium channel

Carlton Burgess

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Which uses water to remove smoke from burning coal

Eric Morgan

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Lamarck proposed two ideas to explain A. how organisms change through time. B. the principles of geology. C. the age of the Earth. D. the slow movement of the Earth's tectonic plates.

Rodney Fox

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The number of chromosomes in each cell goes from diploid to haploid after

Daniel King

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Wegener’s theory of _____ says that land masses move slowly ossil record continental drift plate tectonics biogeography

Eric Morgan

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To what are greater body size and facial gracility documented in homo erectus likely related?

Blair Lewis

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Which of the following best describes the uses of private land? a. Private land cannot be used to operate businesses. b. After initial construction. the uses of private land do not change. c. It can be used for a variety of activities and businesses. d. None of the above.

Carlton Burgess

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Which of the following is the most direct method for combating rainforest deforestation? a. ecotourism b. carbon credits c. rehabilitation d. conservation

Roger Moore

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Unlike life at the top of a body of water, life at the bottom of the body of water A. must rely on other means than photosynthesis. B. receives much more exposure to light. C. is affected by temperature and nutrient availability. D. performs much more photosynthesis.i have been stuck on this question for quite some time and cant seem to find the answer. help please :)

Megan Page

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Any astronomical body that revolves around a larger body is called

Bethany Evans

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How are littoral and riparian zones different? a. Littoral zones contain vegetation, while riparian zones do not. b. Littoral zones have greater access to sunlight than riparian zones. c. Riparian zones are more important to aquatic animals than littoral zones. d. Riparian zones occur where water meets land, while littoral zones occur at depths of less than 15 feet.

Ramon Kelly

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To be accurate, a theory must continue to explain _____. a) new data b) new methods c) new inferences d) new ideas

Roger Moore

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Which topic or issue would be most appropriate for a four- to five-page research paper? A. Teen Health in the US B. how a friend recovered from anorexia C. National Eating Disorders Association D. teen athletes who suffer from eating disorders

Ralph Lopez

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Jan Ingenhousz repeated Priestley’s experiments under different light conditions. What stage of photosynthesis did Inglehaus’s experiment reveal? A. the first stage, which includes the light-dependent reactions. B. the first stage, which includes the light-independent reactions. C.the second stage, which includes the light-dependent reactions. D. the second stage, which includes the light-independent reactions.

Megan Page

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What should you do if you don't know your family's medical history? Look through their personal files to learn about them Ask them politely at a family gathering or in private Get your doctor to contact your family for information Give your best guess on all medical forms that ask

Jennifer Patterson

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Competition over resources occurs between organismsA. participating in an herbivores relationship B. forming a symbiotic relationship C. attempting to occupy the same nicheD. initiating primary succession after a disturbance

Tara Andrews

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What discovery was made by alvin? a. over 4000 new species of marine life b. hydrothermal vents c. the aqualung d. the temperature of different parts of the ocean

Dana Keller

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Glaciers can only form when A.there is an ice age. B.there is a U-shaped valley in the mountains. C.the amount of snow exceeds the amount of rain. D.more snow falls than melts.Glaciers can only form when

Jessie Thompson

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There are three major groups of mammals, categorized on the basis of their _____. see concept 34.6 ( page 739)

Alexa Spicer

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During pregnancy, it is particularly important to make sure to consume adequate A. saturated fatty acids. B. trans fatty acids. C. cholesterol. D. essential fatty acids.

Alexa Spicer

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Select all that apply. Besides annelids, segmentation is also seen in _____. arthropods mollusks flatworms vertebrates

Jeffrey Rodriguez

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Muscle cells would contain a high number of A. Lysosomes B. Mitochondria C. mRNA D. Golgi bodies

Ashley Howard

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Jonas states four interesting facts about bones. which of jonas’s statements is incorrect?

Samantha Barber

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Strep throat food poisoning and anthrax are all diseases caused by the following a. fungi b. virus c. protist d. bacteria

Amanda Johnson

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Birds and earthworms have a _____ that stores and softens food.

Ross Pratt

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What component of a virus is injected into the infected cell? A.) the tail section B.) the nucleic acid C.) the protein capsid D.) the mitochondria

Caroline Campbell

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Three components common to all amino acids

Amanda Johnson

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Which of the following is a geographical limit?

Bethany Evans

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Which hormone enables contractions associated with birthing and milk flow during nursing? a. oxytocin b. insulin c. epinephrine d. serotonin?

Donald Ward

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Patellar responses often strengthen with diversion how do you explain this observation

Melissa Norris

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