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Biology

Smooth muscle, a type of specialized muscle cell, functions in which process? 1. food digestion 2. skeletal movement 3. pumping of blood 4. heart contraction

Samantha Barber

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______ is a rock with a fine, dark texture that makes up the oceanic crust.

Ross Pratt

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Which feature is shown ONLY by higher invertebrates, as compared to lower invertebrates? Bilateral symmetry True coelom Three germ layers

Annie Barnes

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What must be true for hardy-weinberg equilibrium to occur

Victoria Fowler

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The goal of basic science is: a.to use technology to improve quality of life b.to solve a particular problem. c. to improve a specific situation d. to increase our understanding of general principles

Rodney Fox

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What did Charles Darwin discover as a result of his experiments with breeding pigeons? A. Desirable traits can be selected for and bred in offspring. B. Humans can create new species through selective breeding. C. Dogs and plants can be bred the in same way as pigeons. D.The pigeons had distinctive traits that were passed on to offspring.

Chelsea Hayes

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What is harmful because plants do not grow well when topsoil has been lost

Samantha Barber

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What must happen before a chemical reaction can begin? The activation energy must be exceeded. The activation energy must be reached. The concentrations of products and reactants must be equal. The concentration of reactant molecules must be reduced.

Timothy Norman

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Which can disrupt the cell cycle? mutation G0 phase replication cancer

Theresa Perry

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The food for dicot embryos is stored in the endospermcotyledons while food for monocot embryos is stored in the cotyledonsendosperm .

Amanda Johnson

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Which human activity negatively affects the stability of the environment? A.Dumping pollutants into the ocean B.Recycling plastic C.Creating wildlife reserves D.Planting trees

Bethany Evans

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Mantle material rises in convection currents because heated materials become more dense. truth or false

Melissa Norris

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The energy value listed for foods refers to the _______. a. total amount of chemical energy in the food b. amount of energy available as fuel for the body c. total nutritional value of the food d. amount of carbohydrates

Kevin Sutter

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What role do ATP and NADH play in living cells? A They provide structural support to cell membranes. B They store and transfer energy. C They are involved in cell-to-cell signaling. D They also store and transfer information.

Craig Stewart

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Why are submersed aquatic vegetation (sav) beds important to the marine environment?

Annie Barnes

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What role does your heart play in delivering oxygen to your body cells? The heart breaks down carbon dioxide into carbon and oxygen. The heart pumps oxygen-rich blood to your body cells. The heart pumps oxygen through the alveoli, which deliver it to body cells. The heart takes in oxygen from the environment and delivers it to cells.

Kathy Robinson

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During solstice, around June 21 each year, people in the northern hemisphere can expect A. only 5 hours of sunlight. B. a long day of sunlight. C. 12 hours of sunlight. D. no sunlight

Annie Barnes

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A waste product of respiration in animals that is used by plants to carry out photosynthesis is a. carbon dioxide. c. calcium carbonate. b. carbon monoxide. d. sodium bicarbonate.

Kevin Sutter

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In angiosperms, what is the name of the outer epidermal layer that protects the plant body? Vascular tissue Dermal tissue Ground tissue

Chelsea Hayes

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Which of these is true of the materials making up the buffy coat in centrifuged blood? which of these is true of the materials making up the buffy coat in centrifuged blood? they are less dense than both erythrocytes and plasma. they are denser than erythrocytes but less dense than plasma. they are intermediate in density between erythrocytes and plasma. they are denser then plasma and erythrocytes?

Whitney Matthews

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Which homeostatic process requires energy to move particles across the plasma membrane?

Tara Andrews

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Which best describes homeostasis?. a Specialized cells work independently to perform their specific functions.. b Specialized cells work only as a team to perform the functions of the body.. c Specialized cells work independently to perform specific functions and also as a team to perform the functions of the body.. d Specialized cells in the body perform all the functions that are necessary to maintain homeostasis.

Zach Chandler

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What tissue type has polarity and is avascular? what tissue type has polarity and is avascular? muscle connective tissue epithelium nervous tissue?

Annie Barnes

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Which of the chains of amino acids corresponds to the nucleotide sequence AAUGGCUAC?

Mindee Nelson

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Which best describes the direction of heat? (a) from a substance with no thermal energy to a substance with high amounts of thermal energy (b) from a substance with less thermal energy to a substance with more thermal energy (c) from a cooler substance to a warmer substance (d) from a warmer substance to a cooler substance

Brandon Scott

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Who discovered the monomers of nucleic acids? Phoebus Levene James Watson, Francis Crick, and Rosalind Franklin Friedrich Miescher Gerardus Johannes Mulder and Jöns Jacob Berxelius

Ronald Miller

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Which membrane is highly convoluted? A. chloroplast inner membrane B. mitochondrial inner membrane C. the chloroplast outer membrane D. both the mitochondrial and chloroplast inner membranes

Brandon Scott

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Why do classification systems change over time? A. Scientists find new evidence in their studies. B. Scientists use old methods of classification. C. Scientists repeat experiments and find no changes. D. Scientists find similar evidence to previous work.

Heather Maxwell

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How does ATP supply energy for cellular activities? A. by breaking off a phosphate group from its structure B. by releasing the sugar molecule from its structure C. by adding a phosphate group to its structure D. by attaching itself to a glucose molecule

Victoria Fowler

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What is energy derived from burning wood, alcohol, and garbage

Megan Page

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The __________ and __________ are the glands that stimulate reproductive cycles. a. testes . . . thyroid b. testes . . . ovaries c. ovaries . . . thyroid d. ovaries . . . thymus

Bethany Evans

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Which of the following statements about forestry education is true? A.) All educational facilities cover forestry to the same depth. B.) Individuals can pursue doctorates in forestry in any state. C.)Program focus will remain the same from state to state. D.)Some states have greater access to forestry programs than others.

Blair Lewis

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What is freud's term for primitive, biological side of personality?

Donald Ward

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A balance in abiotic factors is vital to healthy ecosystems.

Alexa Spicer

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Which of the following statements about the environmental movement is true? a. It incorporates the conservation movement. b. It is a purely social movement. c. It does not include the green movement. d. It seeks to address predominantly social issues.

Zach Chandler

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How are proteins distinguished from each other? a. by the amounts of carbon, oxygen, and hydrogen they contain b. by the kinds of fatty acids they contain c. by the kinds of bonds that join their monomers d. by the order of the amino acids that form them?

Carlton Burgess

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Koala Bears are a specialist species because they _______. a. only eat eucalyptus leaves b. are marsupials c. live in trees d.

William Cain

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Which is the name for a quick, unlearned, and automatic response?

James Washington

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Which correctly describes the similarities between identical twins? a. They are genetic copies of each other. b. Their DNA is similar but not exactly the same. c. Their DNA is the same as their father's. d. they are as similar as any two siblings.

Jodi Brooks

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When researchers create __________, they are destroying a piece of the brain. A. holes B. currents C. images D. lesions

Karen Wright

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Female gametangia are called while male gametangia are called . Squash and tomatoes are vegetables. TRUE or FALSE.

Bethany Evans

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Which three characteristics are used to classify prokaryotes (1 point)?

Jessie Thompson

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Consider the following events of photosynthesis. 1. Light energy excites electrons. 2. Water molecules are split. 3. NADPH is formed. In which locations do each of these events occur? A) 1. photosystem II 2. photosystem I 3. photosystem I B) 1. photosystem II 2. photosystem II 3. photosystem I C) 1. photosystem I 2. photosystem I 3. photosystem II D) 1. photosystem I 2. photosystem II 3. photosystem II

Blair Lewis

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What does an Open Office or Microsoft Office Wizard do? A. suggests a better way to present your data B. analyzes your data and points out errors C. guides you through the steps to complete a complex task D. adds color and styles to make your data look better

Donald Ward

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Mangrove forests were traditionally viewed as unhealthy, unproductive environments. t or f

Kristi Hammond

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

Kaitlin Dean

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Talking about all things lunar, which of these forms of madness is related to the moon? A) HystericaB) LunacyC) InsanityD) Biebermania

Blair Lewis

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The amount of moisture in a prevailing wind depends on which two factors? temperature and downslope of mountains air pressure and warm fronts barometric pressure and temperature temperature and nearness to bodies of water

Carlton Burgess

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Why are enzymes known as biocatalysts?

Zach Chandler

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In which of the following can a change be directly observed? A. alleles B. genotypes C. phenotypes D. mutations

Jeffrey Rodriguez

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