Biology

Which of these is a sign of dehydration shivering sleepiness talkativeness blue fingernails?

Carlton Burgess

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Which of the following is NOT a characteristic of living things?

Theresa Perry

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Which is a correct interpretation of the cladogram shown below? A. Amoeba are multicellular. B. Trout do not have segmented bodies. C. Koalas evolved after trout. D. Trout and koalas are in the same class. Download jpg

Ashley Howard

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Hi Air and water pollution have been reduced by A. increasing biological magnification. B. raising more cattle for food. C. using only unleaded gasoline. D. using fossil fuels in factories Thank you !

Victoria Fowler

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Which best describes the trophic level of an organism

Kaitlin Dean

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Today, a dominating_____ generation of plants has appeared.

Chelsea Hayes

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Which of the following are benefits of genetic engineering? 1)new vaccines 2)creation of toxic waste 3)sterile offspring 4)cancer 5)drugs seedless grapes

Theresa Perry

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Adult skin cells can no longer become other types of cells because they have already undergone _________________________. (1 point)

Blair Lewis

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Extreme temperature changes or increased moisture speed up the weathering rate. T OR F?

Jeremy Wood

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Which gas is a source of natural groundwater pollution ? A. Hydrogen B. Radon C. Carbon D. Oxygen

Curtis Rhodes

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The lock-and-key mechanism refers to? A.) The complementary shapes of an enzyme and a substrate. B.) the attractive forces between an enzyme and a substrate. C.) the ability of an enzyme to lower the activation energy of a reaction. D.) the ability of an enzyme to “unlock” the products of a reaction.

Kyle Mckinney

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How can alternative practices reduce human impact on waterways?

Caroline Campbell

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Which Statement is true of Homo sapiens? A. The evolved after the Cro-Magnons. B. The have been Earth's only hominine for the last 24,000 years. C. They became extinct about 1 million years ago. D. They coexisted with Homo habilis for several thousand years.

Mindee Nelson

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What is the largest time period in the history of Earth?

Mindee Nelson

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In general more complex animals are

Melissa Norris

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What makes life on the Earth possible?

Ronald Miller

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What the purpose of the mucus found within the respiratory system is to A. trap particles from the air before they reach the lung. B. lubricate the epiglottis c. is wrong D . push the cilia away from the lungs

Nicholas Rivera

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Which of the following best describes the Americans who served as infantry soldiers in Vietnam? A. Most were young, working-class draftees. B. Most were young, working-class volunteers. C. Most were volunteers in their late twenties. D. Most were drafted while attending college

Ralph Lopez

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Photosynthesis occurs when _______. a. plants absorb energy from carbon dioxide b. plants absorb energy from sunlight c. oxygen concentration in the atmosphere increases d. all of the above

Eric Morgan

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What is the current greatest threat to agricultural sustainability? a. erosion b. water pollution c. air quality d. all of the above

Alexa Spicer

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When is the lac operon most active?A)when glucose levels are high and lactose is presentB)when glucose levels are low and lactose is absentC)when glucose levels are low and lactose is presentD)when glucose levels are high and lactose is absent

Rodney Fox

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Geologists know that wherever plate movement stores energy in the rock along faults, a. earthquakes are not likely. b. earthquakes are likely. c. an earthquake is occurring. d. an earthquake could never occur.

Jeremy Wood

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What theme is featured in Machiavelli’s The Prince? A. the value of living a morally conscientious life B. the importance and limits of political power C. the desire to achieve quick and cutthroat results D. the need to win regardless of the consequences NextReset

Curtis Rhodes

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A heat source could be considered a source of pollution

Daniel King

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What is the source of energy that drives photosynthesis? sunlight hydrogen ions electrons oxygen

Annie Barnes

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Harlequin shrimp _______. a. control starfish populations b. clean parasites from select fish species c. control tubeworm populations d. hide within coral using their special camouflage

Carlton Burgess

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Succession is affected by _______. a. climate b. soil c. geography d. all of the above

Zach Chandler

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The sahara desert is able to support large populations of grazing herbivores? True or false

Theresa Perry

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Connecting the concepts: genetics concept map can you correctly organize these terms associated with mendelian genetics?

Ramon Kelly

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Which scenario best describes an object with a displacement of zero? A. A train moves uphill as it travels in a straight path. B. A person walks 2 miles north and 2 miles west. C. A ball rolls from the top to the bottom of a hill. D. A race car starts and ends at the same point on a track.

Eric Morgan

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Which of the following is most likely the reason that nations raised tariffs on imports during the Great Depression? a. They wanted to help other nations profit from trade. b. They wanted to terminate all trade with other nations. c. They wanted to increase sales of their own products. d. They wanted to encourage more profitable imports.

Donald Ward

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Which country imports the most metals? A.Africa B.Japan C.Australia D.Russia

Kaitlin Dean

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Phagocytosis is exemplified by ______. phagocytosis is exemplified by _______. a cell manufacturing a substance that is first enclosed in a vesicle and then later secreted from the cell most types of white blood cells ingesting bacteria, viruses, and other foreign substances oxygen entering cells by diffusion a cell sampling a tiny amount of extracellular material none of the listed examples describes phagocytosis

Ralph Lopez

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The Cambrian Explosion resulted in the evolution of the first A) Dinosaurs and mammals B)Representative of most animal phyla C)Bacteria D) Land animals

Nicholas Rivera

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Which statement is not true of greenhouse gases?

Craig Stewart

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List four processes that change rock from one type to another.

Jeffrey Rodriguez

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In which environment would you find dolphins? A) Abyssal B) Sub-littoral C) Rocky shore D) Pelagic

William Cain

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Which organelle should be listed under “Both” in the diagram? centriole mitochondrion chloroplast cell wall

Rodney Fox

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The ____________________ produce(s) hormones that cause you to feel frightened during a horror movie. Fill in the blank.

Theresa Perry

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1. A flexible, supporting structure found only in chordates is the (1 point) nerve net. notochord. pharyngeal slits. dorsal fin. 2. Ancient chordates are thought to be most closely related to which of the following species? (1 point) spiders earthworms octopi sea stars

Eric Morgan

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Improper hot holding and improper cooling are both examples of

Bethany Evans

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Which organelles of a cell possess their own DNA?. A) Lysosomes and plasma membrane. B) Mitochondria and chloroplasts. C) The Golgi apparatus and ribosomes

Kevin Sutter

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The _______ is a ring of tissue surrounding and partially covering the vaginal opening.

Curtis Rhodes

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Which is the best reason for using a temperature probe instead of a thermometer? to make measurements in degrees Celsius to make measurements in degrees Fahrenheit to record continuous measurements over several minutes to record individual measurements several times in a day

Kaitlin Dean

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When a person loses consciousness due to a head injury from a car crash, the ____________________ keeps the body functioning by regulating the flow of information between the brain and the rest of the body.

Daniel King

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Stars of which color have the highest surface temperature?

Karen Wright

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How often does the body perform cellular respiration?. A.once in the morning and once at night. B.only at night. C.continuously. D.only when the body runs out of ATP

Cynthia Baker

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TRUE OR FALSE: The shrubs and trees in windbreaks protect soil from erosion by rain water.

Donald Ward

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Few fossils of the earliest animals still exist because they A. Had hard shells that broke down easily, leaving no trace. B. We’re large and likely to be eaten by others after they died. C. We’re soft bodied and tiny, therefore unlikely to fossilize. D. Lived only in volcanic regions and were destroyed by lava flows.

Zach Chandler

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Igneous rocks that form ____ the surface are intrusive. a. above c. on b. below d. all of the above

Donald Ward

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