Biology

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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What process describes the transfer of heat through matter by molecular activity?conduction convectionradiationevaporation

Dana Keller

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What general type of microscope uses bright illumination and multiple glass lenses? optical dark electron compound

Ross Pratt

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Which is a possible reason for the transition of algae from unicellularity to multicellularity?

Whitney Matthews

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Compare the characteristics of rivers and streams.

Tara Andrews

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Which of these is a basic unit of macroevolution?

Ross Pratt

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Which statement could be categorized only i. the anaerobic section of the venn diagram a. is performed by eukaryotes b. has commercial uses c. regenerates NADH d. occurs in the mitochondria

Tara Andrews

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How is sunlight used in photosynthesis? A. Sunlight controls the amount of water in plant cells. B. Sunlight is a nutrient for plants. C. Sunlight is converted to chemical energy. D. Sunlight breaks cell walls to allow energy in and out.

Mindee Nelson

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Which type of cell contains DNA enclosed in a nucleus? A) centriole B) eukaryote C) plasmid D) prokaryote

Jeffrey Rodriguez

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One of the main sources of sediment in flowing water is A. Runoff B. Abrasion C. Kinetic

Eric Morgan

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Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria? It is multicellular. It has a cell wall. It is a microorganism. It has peptidoglycan.

Tara Andrews

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Which occurs more frequently, mitosis or meiosis? mitosis meiosis

Kristi Hammond

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Which type of cell is capable of self - renewal

Amanda Johnson

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What is the correct order in which these structures form during the plant reproduction process?. . a.embryo sac, embryo, zygote. . b.embryo sac, zygote, embryo. . c.zygote, embryo sac, embryo. .d. embryo, zygote, embryo sac

Jennifer Patterson

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How do the diet drugs lorcaserin and phentermine-topiramate help people lose weight? they reduce food absorption. they reduce body fat absorption. they reduce food intake. they reduce the body's caloric need?

Daniel King

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Discuss the relationship between mitosis and cytokinesis. What would the result if one happened without the other?

James Washington

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Which event occurs in photosystem I? A. Water molecules are broken apart B. Light energy excites electrons C. Oxygen is released as waste D. Electrons are transferred to ferredoxin

Justin Parker

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Which cell part contains directions for cell growth and reproduction? A. cell wall B. plasma membrane C. nucleus D. pores

Bethany Evans

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Of the molecules sif4 and sibr4, which has bonds that are more polar

Jodi Brooks

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Why do scientists try to repeat other scientists' experiments? Download png

Ralph Lopez

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Explain why resource availability and allocation are an important concern for governments.

Dana Keller

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Which of the following promotes closure of the minivalves associated with lymph capillaries?

Eric Morgan

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What term is used for events that cause strong, often negative, emotional responses? noise messages hijacking stress triggers?

Karen Wright

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Deer run in zigzag patterns when being chased by predators. What type of adaptation is this? a. Behavioral b. Physiological c. Structural d. Ecological

Jessie Thompson

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Which characteristic could help you distinguish between plants and fungi?. . . . A.The growing location of the organism. B.The color of the organism. C.The spores made by the organism. D. The hyphae structures in the organism . .

Victoria Fowler

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Water plays a key role in chemical weathering by ________. A.) dissolving minerals B.) transporting minerals C.) contributing to the oxydation process D.) all of the above

Megan Page

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In figure 33-6 what structure is labeled a? what is the role of the delicate network?

Heather Maxwell

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What device can be used to make measurements globally? a. rain gauge b. buoy c. satellite d. thermometer

Nicholas Rivera

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Air pollution is only caused by human activity. true or falseair pollution is only caused by human activity. false.

Ronald Miller

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Which of the following would be considered a limited resource in the lower depths of the ocean? a. water b. sunlight c. prey d. predators

Ralph Lopez

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Name two primary decomposers and describe their function in the recycling of life materials..

Megan Page

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Which component cannot be part of this strand? a. uracil b.thymine c. phosphate group d.deoxyribose sugar?

Chelsea Hayes

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What is the main difference between muscle cells and nerve cells? A. they use different genetic codes B. they have different ribosomes C. they contain different genes D. they express different genes

Kaitlin Dean

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In Figure 28-7, what information indicates that meiosis takes place during the jellyfish's reproductive cycle? Download png

Justin Parker

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Which best describes the lysogenic cycle?

Megan Page

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What is the function of an exoskeleton? A.) To enclose the body from the inside. B.) To enclose the body from the outside. C.) To enclose the internal skeleton.

Nicholas Rivera

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Which of the following types of carbon fixation is least common for plants in arid locations? a. C3 b. C4 c. CAM d. none of the above

Daniel King

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Why should senior citizens perform balance exercises? a. to build muscle tissue b. to reduce chances of falls c. to build overall endurance d. to reduce "staying power"

Samantha Barber

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DNA _____. A.) cannot determine behavior traits B.) is enclosed by a nuclear membrane in prokaryotes C.) contains coded information for the creation of proteins D.) is a long, single chain of nucleotides

Bethany Evans

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What developments occurred from the Jurassic period to the Cretaceous period?

Ross Pratt

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Which scientist disproved the idea that life comes from nonlife? Anton van Leeuwenhoek Louis Pasteur Robert Koch Paul Ehrlich

Megan Page

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The sapling of a pine trees grows to adulthood. What is the next step in its life cycle?

Brandon Scott

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The science of crop production and improvement is called _____. A. biology B. environmental science C. agronomy D. vegetative propagation

Megan Page

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

Carlton Burgess

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Today, a dominating_____ generation of plants has appeared.

Chelsea Hayes

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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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How can alternative practices reduce human impact on waterways?

Caroline Campbell

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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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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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