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Biology

Read the Mungo Lady and Mungo Man While Dr. Thorne is not the author of the reading, what are his qualifications? What experience does he have?

Ralph Lopez

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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

Jeremy Wood

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Halons contain halogens which are highly reactive to oxygen, true or false?

Ross Pratt

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Which two types of RNA pair up using a codon-Anti codon link?

Kathy Robinson

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The interdependence of body systems is essential because A. each system can work independently on its own. B. all systems work together to maintain homeostasis. C. very few processes are controlled by hormones. D. each system doesn't rely on the others to work.

Ramon Kelly

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Which of the following factors would have the smallest impact on a population’s size? a. the total number of organisms b. the available water supply c. the variety of organisms d. adequate shelter

Heather Maxwell

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Which process is similar to binary fission? A. genetic variation B. crossing over C. meiosis D. mitosis

Megan Page

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The diagram shows a nucleic acid in the shape of a helix. Which sugar is present in the nucleic acid that is represented in the diagram? uracil thymine deoxyribose ribose Download jpg

Cynthia Baker

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All wetlands are considered freshwater ecosystems.

Amanda Johnson

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Which of the following terms best describes air

Tara Andrews

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Which of the following statements about the interactions between insects and trees is not true? a. For some species of trees, insects are required for pollination. b. Trees provide necessary shelter for a variety of insect species. c. Insects have predatory relationships with trees, rather than mutually beneficial ones. d. Insects can cause loss of tree productivity and even death.

Ronald Miller

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Each step in a food chain that demonstrates the transfer of energy is called a?

Zach Chandler

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Typical methods of classroom scientific communication include A.scientific journal articles, oral presentations, and Internet collaboration.B.lectures, lab reports, term papers, and poster presentations.C.scientific journal articles, professional organizations, and conferences.D.lectures, conferences, term papers, and technical journals.

Jodi Brooks

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_____________ are fat-soluble signal molecules that are derived from cholesterol.A)CholesterasesB)GlycogensC)ProteinoidsD)Steroids

James Washington

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The derived characteristic of protostome development is found in which of the following phyla? A. Echinoderms B. Cnidarians C. Roundworms D. Sponges I’m pretty sure the answer is C ?

Ronald Miller

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Degradates, unlike their parent compounds, are always completely harmless. is this true

Ross Pratt

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If the environment outside a cell is hypertonic, how will the cell maintain homeostasis? Water will not move at all. Water will move in and out of the cell. Water will move inside the cell. Water will move outside of the cell.

Curtis Rhodes

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What is one thing all major air pollution disasters have had in common? They occurred in large cities. They occurred during winter months. They resulted from acid rain. They occurred in industrialized areas.

Carlton Burgess

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In an ecosystem, energy from the Sun is transferred by way of _____. food chains or webs transpiration kinetics condensation

Jeffrey Rodriguez

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How do manufacturers make trans fats? A) They remove hydrogen from polyunsaturated fats. B) They remove hydrogen from saturated fats. C) They add hydrogen to unsaturated fats. D) They add hydrogen to saturated fats.

Whitney Matthews

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The opening through which magma flows through a volcano to the earth's surface is a caldera? true or false

Heather Maxwell

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WILL GIVE A BRAINLEST Which is not a benefit of burning garbage for fuel? It produces methane that can be used like natural gas. It provides biomass energy. It partially addresses the solid waste disposal problem. It creates more space for farming.

Deborah Edwards

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Diatoms have cell walls composed of _____. A. silicon dioxide B. carbon dioxide C. chitin

Theresa Perry

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How does the reproduction of seedless plants differ from that of seed plants?

Bethany Evans

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Why do species evolve during adaptive radiation?

Tara Andrews

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Nurse darla is planning care for ms. goodwin, who has a prolapsed cord

Zach Chandler

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How does the neuroendocrine system maintain homeostasis in the body? a. neuroendocrines activate the somatic response and the sympathetic response. b. hormones are made from proteins, and neurons are made from cholesterol. c. adrenal glands cause exocrine reactions, and pituitary glands cause endocrine reactions. d. neurons check for imbalances and tell the endocrine system to send out hormones?

Amanda Johnson

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What role does hot ion-rich water play in the process of metamorphism?

Donald Ward

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What does the formula below represent? CO2 + H2O + energy C6H12O6 + O2 A. Production of water in plants B. Production of glucose in plants C. Production of fatty acids in animals D. Production of carbon dioxide in animals

Roger Moore

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Gathering information with your eyes is called.A. central vision B. peripheral visionC. rubbernecking D. visual perceptionPlease support your answer with short comment ;)

Nicholas Rivera

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The multiple reflection of a single sound wave is a/an a. reverberation. b. echo. c. diffraction. d. refraction.

Justin Parker

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When a part rusts it becomes heavier or lighter?

Alexa Spicer

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Which of the following is not necessary for a plant to carry out photosynthesis? a. carbon dioxide b. water c. oxygen d. sunlight

Jessie Thompson

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Which of the following organs is responsible for removing nitrogenous waste by producing urea? A-small intestine B-liver C-urinary bladder D-kidney

Blair Lewis

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Which best describes thermal energy? It is the difference between internal energies of two or more substances. It is the sum of internal energies of two or more substances. It is the portion of internal energy that can be transferred from one substance to another. It is the portion of potential energy that can be transferred from one substance to another.

Deborah Edwards

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Which plants might be found. in a mesozoic forest??

Carlton Burgess

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Which of the following statements about monsoons are correct? Check all that apply. A.Monsoon climate is good for rice farming. B.Heavy monsoons are a boom to local economies. C.Weak monsoon seasons lower agricultural output. D.Monsoons can cause devastating landslides and floods.

Ramon Kelly

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The organism that transmits African sleeping sickness is the _____. -tsetse fly -mosquito -tapeworm

Brandon Scott

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Which of the following must unicellular organisms do to maintain homeostasis? A. Use chemical signals to communicate between its cells B. Change food or sunlight into useful energy C. Specialize cells to perform specific functions D. Organize cells into tissues

Jennifer Patterson

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10.) The specialized leaves of a flower that do not produce gametophytes are the (1 point) A - carpel and stamens. B - filaments and anthers. C - stigma and style. D - sepals and petals.

Caroline Campbell

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Which of the following is a benefit of having a healthy salt marsh

Samantha Barber

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What is a secure chemical landfill

Amanda Johnson

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A major consequence of ozone depletion is that A. solar energy will become ineffective. B. more harmful UV rays will reach the earth's surface. C. acid rain will increase. D. certain parts of the earth will become over-vegetated.

Carlton Burgess

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Unlike gradualism, punctuated equilibrium involves a. a slow change in evolution over time. b. stable periods of change interrupted by rapidly occurring change. c. species that are said to be in equilibrium. d. a steady change in evolution over time.

Deborah Edwards

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Which of the following statements is true for a eukaryotic cell? Select one of the options below as your answer: A. Does not possess intracellular membrane bound organelles. Everything inside just floats freely in the cytoplasm. B. Possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes. C. Possesses simple duplex DNA in the form of a circular loop.

Theresa Perry

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Which one of the following statements correctly defines active site? a. The active site is a site on the enzyme molecule where specific substrate molecules bind. b. The active site is a site on the substrate molecule where specific enzyme molecules bind. c. The active site is a site on the substrate molecule where specific product molecules bind.

Ashley Howard

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Which best describes a codon? a. a cell structure that gives the master instructions for an organism b. a segment of DNA that is the basis of heredity in organisms c. the sequence of three bases that codes for a specific amino acid d. the basic unit of structure and function of all living things

Megan Page

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Observations of organisms include

Rodney Fox

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What is a possible cost of habitat destruction? Non-sustainable energy Fewer landfills Less biodiversity Fossil fuel decreases

Jeffrey Rodriguez

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What is the primary source of energy for food chains in an ecosystem? decomposers producers consumers the sun

Ramon Kelly

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