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Biology

Which of these sentences is true about genetic variation? Mutations always carry out beneficial genetic variations in an organism. Mutations always carry out harmful genetic variations in an organism. Mutations are one of the key factors in genetic variation. Done

Rodney Fox

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When you spin around, you lose balance because of fluid spinning around in the _____. A. cochlea B. tympanic membrane C. semicircular canals D. auricle

Alexa Spicer

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1. A natural resource that is mined for profit is called A. aggregate. B. ore. C. sand. D. topsoil.

Amanda Johnson

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The events that lead to genetic drift are _______. a. always natural disasters b. random c. predictable d. related to human activities

Annie Barnes

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How does the size of a landmass relate to species diversity

Melissa Norris

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The potential must be strong enough to send a(n) potential to the CNS.

Jodi Brooks

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Soil 2. Which of the following likely has the largest particle size? subsoil humus topsoil parent material

Donald Ward

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Coral reefs form when the calcite skeletons of coral build upon each other. please answere quickly and ill rate 4 stars and thanks and rate the brainliest thanks

James Washington

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Answerswhat should you do if you suddenly find yourself in cold water?

Jeffrey Rodriguez

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The native range of a species includes all areas in ahich it lives

Dana Keller

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Name three STIs that can be life-threatening or lead to life-threatening illnesses.

Jeffrey Rodriguez

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One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding

Ronald Miller

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In most ecological communities, plants are the first level of the trophic structure, known as producers. what do plants produce that supports the higher trophic levels of the community

Jennifer Patterson

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What differentiates extension from hyperextension? A.Extension bends joints in the opposite direction as hyperextension. B.Extension straightens a joint, and hyperextension bends it but in the opposite direction from flexion. C.Hyperextension straightens a joint, and extension bends it in the opposite direction from flexion. D.Both bend joints, but extension can be damaging.

Tara Andrews

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Weathering that does not alter the chemical composition of the rock is called a. chemical weathering. c. biological weathering. b. physical weathering. d. acid weathering.

Blair Lewis

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Select all that apply. Select the animal characteristics. segmented or non segmentedpresence or absence of connective tissue green or non-green parallel veins or netted veins teeth patterns exoskeleton or endoskeleton digestive system locomotion

Kevin Sutter

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Which type of microscopy is useful for viewing colorless specimens? A. Transmission electron microscopy B. Light microscopy C. Phase contrast microscopy

Kyle Mckinney

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Which is the process of cancerous cells spreading to other body areas? metaphase cytokinesis fertilization metastasis

Ralph Lopez

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Which statement describes thylakoids? A)Glucose is formed here. B)Water molecules are formed here. C)Only photosystem II functions here. D)Photosystems I and II function here.

Justin Parker

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What type of organic molecule comprises the majority of a potato? Monosaccharides Disaccharides Glycogen Polysaccharides

Whitney Matthews

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On which feature is science based? detailed research with reliable sources static information that does not change emotional appeals test that cannot be repeated

Roger Moore

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What group of animals causes trichinosis and elephantiasis?

Curtis Rhodes

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What does a cell use to anchor, guide, or group its organelles?

Ross Pratt

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Which is the best description of biology? the study of humans and animals the study of life and living things the study of health care the study of humans, plants, and animals

Curtis Rhodes

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____ is the growing of new plants from other plant parts.

Daniel King

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Which term describes all scavengers? A. consumer B. producer C. herbivore D. omnivore

Carlton Burgess

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What is your opinion of the balance of nature hypothesis? Would the deer on the island be better off, worse off, or about the same without the wolves.defend your position

Donald Ward

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Coal begins to form when plants die in a swampy area. True or False

Whitney Matthews

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What do bacteria have in common with the cells of other living organism

Kaitlin Dean

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In order for pest to feel comfortable and survive well in the food facility they need access to

Amanda Johnson

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Contrast the flow materials in xylem and phloem

Jeffrey Rodriguez

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Which of the following about the ozone layer is not true?

Caroline Campbell

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Which of these processes is an example of hydrolysis? A) conversion of glucose units into starch B) conversion of fructose and glucose units to form sucrose C) conversion of cellulose into glucose units

Eric Morgan

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A period during which the embryo of a seed is alive but not growing is a. dispersal. b. fertilization. c. germination. d. dormancy.

Annie Barnes

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Which of the following statements about biodiversity is true? a. Changes to biodiversity always positively affect an ecosystem. b. Changes to biodiversity always negatively affect an ecosystem. c. Changes to biodiversity can positively and negatively affect on an ecosystem. d. Changes to biodiversity never affect an ecosystem.

Timothy Norman

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Which protein serves as a chemical messenger? A.Hemoglobin B.Actin C.Myosin D.Insulin

Ramon Kelly

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What is a distinguishing characteristic of a saturated fatty acid

Timothy Norman

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Which process plays an important role in the cycling of both carbon and nitrogen? (The answer is not respiration)

Jennifer Patterson

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Describe how the body responds to different types of medicine.

Jessie Thompson

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In nucleotide excision repair, damaged dna is excised by what enzyme(s)? see concept 16.2 (page 327)

Victoria Fowler

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Which of the following do all cells in a multicellular organism have in common? 1. They all express the same genes. 2. They all have the same proteins. 3. They all have the same mRNA. 4. They all have the same DNA.

Zach Chandler

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Any time stress causes rocks to change, ____________ is the result. a. tension c. compression b. folding d. deformation

Victoria Fowler

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Mice eat corn. Hawks eat mice. Which term describes the corn in this food chain?

Blair Lewis

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Pastoral farming is best described as _______.

Craig Stewart

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Animals that mimic poisonous or dangerous animals use a defense called mimicry. mullerain batesian

James Washington

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Describe at least one advantage and one disadvantage of the production of novel proteins.

Ross Pratt

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Can be known about Mendel’s five-part hypothesis? It is an answer to a scientific question and is based mostly on research. It identifies three alleles for each gene. It is an answer to a scientific question and is based mostly on prior knowledge. It identifies one allele for each gene.

Ramon Kelly

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Which energy change occurs during boiling? Some heat energy of the substance is lost. Heat energy of the substance remains the same. Most heat energy of the substance is lost. Heat energy is absorbed by the substance.

Brandon Scott

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