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Biology

Based on the table, which domains contain only one cell type?Download png

Samantha Barber

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_____ transfers heat within the atmosphere and ocean.a. convection b. radiationc. condensationd. conduction

Whitney Matthews

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What types of organisms in an ecosystem will likely be affected by a flood? a. producers, consumers, and decomposers b. producers and consumers c. consumers and decomposers d. no organisms will be affected.

William Cain

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]Which of these statements best explains the origin of life on Earth? Primitive plants were created from living molecules. Plant cells were formed by the destruction of fossils in rocks. Non-living molecules were transformed into bacteria by chemical processes. Reproducing molecules evolved into living molecules by biological processes.

Ronald Miller

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The structure of an atom is best described as: 1. neutrons in orbit about a nucleus of protons bound to electrons.2. electrons and neutrons in orbit about a nucleus of protons3. protons and neutrons in orbit about a nucleus of electrons .4. electrons in orbit about a nucleus of protons and neutrons

Dana Keller

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What is the most important role an emt plays in the emergency cardiac care system?

Annie Barnes

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Lactase and carbonic anhydrase are examples of what type of substance? A.substrate B.reactant C.product D.enzyme

Brandon Scott

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Polluted water can contribute to _______. a. drought b. increased CO2 c. deforestation d. glacial melting

Craig Stewart

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At one time, dinosaurs lived on Earth. Today they are extinct. This relates to _____. A. microevolution B. both macroevolution and microevolution C. macroevolution

Kristi Hammond

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Water exits the leaves of plants and enters the atmosphere. What is this process called

Daniel King

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Why do arteries need to be thick, muscular, and elastic? to make our bodies strong for movement to withstand the pressure of the blood that is being pumped by the heart to pull the blood back to the heart from all areas of the body to withstand changes in blood temperature

Dana Keller

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Which is another name for observations?

Kristi Hammond

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Alcohol consumption tends to cause more ___________ behavior. A. Defensive B. Aggressive C. Passive D. Predictable

Nicholas Rivera

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Permafrost (gelisol) is considered a hearty, robust soil type.

Craig Stewart

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Which are replicated during interphase? sister chromatids chromosomes centromeres nuclei

Curtis Rhodes

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Damage to which of these structures can result in sensorineural deafness

Eric Morgan

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PLEASE HELP ME !!!! Which organisms produce about half of the oxygen on Earth? A. Plankton B. Humans C. Rocks D. Aquifers

Caroline Campbell

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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 did Watson and Crick determine base pairing? A.They analyzed the work of Phoebus Levene. B.They used Chargaff's rule to fit the bases together. C.They broke the hydrogen bond. D.They observed the pairing under a microscope.

Amanda Johnson

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Explain two positive environmental impacts of composting

Theresa Perry

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17. Biologists have hypothesized that echinoderms are closely related to chordates because both groups are deuterostomes.

Jodi Brooks

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Which of the following events can result in an offspring with unique heritable characteristics? Select each correct answer. More than one answer may be correct. 1)mutations of genes in an organism's body cells 2)replication of existing genes during asexual reproduction 3)mutations of genes in an organism's sex cells 4)recombination of existing genes during sexual reproduction

Mindee Nelson

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Which is a key component of the energy molecule ATP? sodium phosphorus chlorine sulfur

Roger Moore

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HELP A glucose molecule is the A smallest type of protein B monomer of starch and cellulose C largest of the carbohydrate polymers D fundamental unit of genetic material

Megan Page

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Terrell has a BMI of 30. Which statement is true about what this BMI indicates about Terrell?. a.he has a slight risk of weight related disease . b.he has a high risk of diabetes and hypertension . c. he is at average risk of liver and heart problems

Rodney Fox

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MLA style requires that you create a header for each page that contains which of the following

Annie Barnes

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Because prokaryotes do not have many specific structures, they _____. A) cannot move through their environment B) cannot survive in most environments C) do not have many specific functions D) rely on other organisms for basic life functions Description

Melissa Norris

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Describe uses for public land other than for state and federal parks.

Curtis Rhodes

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Which one of the following is a type of passive transport? A. Proton pumps B. Osmosis C. Endocytosis D. Exocytosis

Eric Morgan

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Why did humanists not like behaviorism?

Kathy Robinson

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Why are algae and ferns both green?

Ross Pratt

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A ribozyme is _____. a ribozyme is _____. a catalyst that uses rna as a substrate an rna with catalytic activity an enzyme that synthesizes rna as part of the transcription process an enzyme that catalyzes the association between the large and small ribosomal subunits

Kyle Mckinney

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A major factor that negatively affects biodiversity is A. biological magnification. B. habitat fragmentation. C. contour plowing. D. nonrenewable resources.

Ashley Howard

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What are some non example of lipids?

Amanda Johnson

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A tiltmeter is a volcanic monitoring tool that measures _____.

Timothy Norman

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How are individual atoms of oxygen formed in the stratosphere? a. Individual oxygen atoms are formed when oxygen molecules collide with each other. b. Individual oxygen atoms are formed in the sun. c. Individual oxygen atoms are formed during photosynthesis. d. Individual oxygen atoms are formed when UV rays strike oxygen molecules.

Alexa Spicer

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Reef producing coral are called _______. a. mobile b. hermatypic c. limestone polyps d. all of the above

Samantha Barber

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What is the nature of chromosomes that align themselves on the metaphase plate in metaphase I? a. pair of sister chromatids facing opposite poles b. pair of nonsister chromatids facing opposite poles c. pair of tetrads facing opposite poles

Heather Maxwell

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Why are components that are naturally found in air be considered air pollutants?

Theresa Perry

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Each P1 parent of a monohybrid cross has completely identical genes.

Cynthia Baker

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What causes soils and their horizons to differ? a. differences in climates where the soils are formed b. differences in plant and animal life in different locations c. differences in the layout of the land d. all of the above

Tara Andrews

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Which memory system has an unlimited capacity and can keep information for hours or decades?

Jeffrey Rodriguez

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The formation of new organisms is called _____. A- reproduction B- growth C- adaptation D- development

Zach Chandler

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ATP is a compound produced by the body to:

Kathy Robinson

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Tropical grasslands called steppes are found in the tropical wet-and-dry climate region. true or false?

Ramon Kelly

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What was Rudolf Virchow trying to prove through his work? A. Spontaneous generation does not happen. B. Animals have different cells than plants. C. Cells are generated spontaneously. D. Most plants are unicellular organisms.

Carlton Burgess

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Human impact on ecosystems would most likely lead to secondary succession over primary succession. True or false? Explain please?

Heather Maxwell

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