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Biology

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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Plants and animals are comprised mainly of _______. a. protein b. carbohydrates c. water d. muscle

Daniel King

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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 part of a scientific argument must be supported by valid data? a. claim b. evidence c. reasoning d. theory

Jeffrey Rodriguez

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Which organelle is responsible for producing the energy for cellular processes Download png

Chelsea Hayes

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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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Before starch can enter a cell, it must be (1) absorbed by simple sugars (2) diffused into simple sugars (3) digested to form simple sugars (4) actively transported by simple sugars

Rodney Fox

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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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Energy from the sun comes from fusion. What happens during that reaction? Question 28 options: A.Hydrogen turns into helium. B.Helium turns into hydrogen. C. Oxygen turns into carbon dioxide. D.Carbon dioxide turns into oxygen

Jeffrey Rodriguez

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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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Which of the following are parts of a feedback loop? sensory receptors an integrating center effectors all of the above

Craig Stewart

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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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In a fitness program, the slogan "use it or lose it" describes which principle

Kathy Robinson

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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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Stars are held together by a. ionic forces. c. electrical forces. b. magnetic forces. d. gravitational forces.

Amanda Johnson

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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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The early arrival of spring in New Hampshire has no effect on wildlife.

Annie Barnes

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Which two cell parts are most likely found in both types of cell? cell wall and cell membrane lysosome and vacuole vacuole and centriole lysosome and chloroplast

Rodney Fox

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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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Brackish water is common in freshwater wetlands... true or false?

Ashley Howard

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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 is the significance of the tunica in plant growth

William Cain

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Matter is needed to transfer thermal energy by a.conduction. b.convection. c.radiation. d.both a and b

Samantha Barber

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Which of the following conditions will result in the rabbit population pictured in the graph below? 2028-02-04-01-00_files/i0110000.jpg a. ample land, cold springs b. little land, normal conditions c. moderate land, hot summers d. ample land, harsh winters Please select the best answer from the choices provided A B C D

Jennifer Patterson

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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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The fossil record shows that periods of _____ are followed by diversity in organisms.

Ralph Lopez

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Which of the following serve as antibodies? carbohydrates lipids nucleic acids proteins

Theresa Perry

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Ocean ridges form as a result of _______.

Alexa Spicer

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What would most likely happen if there were no condensation stage in the water cycle ? A.water could not convert from a gas to a liquid B.water could not convert from a liquid to a gas C.water could not convert from transpiration to evaporation D.water could not convert from precipitation to evaporation

Blair Lewis

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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 of the following colors would indicate the coolest star Red Blue Orange Yellow

Kyle Mckinney

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Which of the following correctly compares the benefits of two forms of renewable energy? Biomass energy and geothermal energy are both clean energy sources. Geothermal energy and natural gas are both clean energy sources. Solar power and wind power are both clean energy sources. Natural gas and solar power are both clean energy sources

Megan Page

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In what way do investigations build scientific knowledge? The results of investigations lead to questions that cannot be tested. They reflect the opinions and social values of scientists, ensuring valid information. The results of investigations lead to new questions, which lead to new investigations. They are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.

Kevin Sutter

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Rue or false? enzymes in the digestive tract catalyze hydrolysis reactions.

Kathy Robinson

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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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Which type of mutation always creates a stop codon?

Deborah Edwards

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The greenhouse gas methane is released by cattle as a Product of their metabolism what effect would increase in cattle ranching be expected to have a c product of their metabolism what effect would increase in cattle ranching be expected to have on climate

Kaitlin Dean

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