Biology

which pattern of change in living things does the fossil record show?
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Sam doesn't feel like he's being treated fairly by his parents. He wants to stay outlater, but they want his curfew set at 10PM. What is causing this conflict?dispute over resourcesdiffering valuesOpower struggleOmiscommunication
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Why does the amount of energy DECREASE as you move up the pyramid?It is absorbed by the sunIt is lost as heatThe animal vomits part of it's food
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Which of these is not an environmental effect of building dams?A. increased water temperatureB. soil erosion upstreamC. weed growth downstreamD. reduced fertility downstreamPlease help!!! Am taking unit test!! Should give 23 points!
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Which is the result of an object's motion? A. A change in reference pointB. A change in massC. A change in volumeD. A change in position
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Put the following events in the order that they occur for a digital recording to become sound waves through a speaker(1)The electrical signal moves through a voice coil(2)The voice coil produces a magnetic field(3)Changing the magnetic field pushes and pulls on the diaphragm(4)Sound is encoded on a digital recordingThe diaphragm vibcates to produce sound waves(5)The digital recording plays the sound as an electncal signalPut the number in orders
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Each gene in a cell's DNA codes for a specific protein. True of False
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Please determine whether the statement is true or false;In vertebrates, the central nervous system (CNS), consisting of the brain and the spinal cord, integrates information, while the nerves of the peripheral nervous system (PNS) transmit sensory and motor signals between the CNS and the rest of the body.
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why is water pollution a density independent factors?
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which of the following words best matches this definition: The process in which the best adapted organisms survive and pass on their traits, while those that are NOT well adapted do not survive.
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Natural selection is affected by which three factors? A.reproduction B.evolution C.variation D.overproduction E.mechanism F.competition
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In the 2 sentences or less how can we solve global warming
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This Pedigree represents a family with an Autosomal Recessive Disorder. What is the probability that IV4 and IV5 have a child with the trait?
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Examine the pattern of the wave shown. What is true about the amplitude and wavelength of the wave when the pattern changes?
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FatherB bMotherBbBBBbBbbbB=dominantb = recessiveThe gene for brown hair (B) in GoatsConsider the possible genotypes of the offspring of two heterozygous brown goats. The ratio of brown to whiteoffspring in this case would beA)1:3.B)2:23:1D)3:4
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What are the most useful bones for determining biological sex, and age of a skeleton? Answer each one individually, they are not necessarily the same bones.(Forensics)
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What are the different possible gametes for AABBDd?
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Why do plants has stalks that hold pollen higher in flowers???
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The mechanism through which a parents gene is turned off, through the attachment of a methyl group to that parent's DNA is called : A) methylationB) mutation analysis.C) cross contamination.D) spermatogenesis or oogenesis.
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HELP!!! BRAINLIEST GETS 30+ POINTS!!!!! What would a scientist need to consider when developing biofuels from plants like sugar cane and corn to use instead of fossil fuels?
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Which is NOT a way that volcanoes are formed?When the tectonic plates move away from each other and magma riseWhen magma from within the Earth's upper mantle works its way to the surfaceWhen tectonic plates move toward each other and magma risesWhen crust from within the Earth's upper mantle and comes up to the surface(18 points)
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What odd thing happens at Mercurys perihelion to the sun ?
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HELP ANSWER FAST!!!!!!! BRAINLIEST IF CORRECT!!!!!!!!! When you hammer a nail, which types of energy are you using? Select ALL of the correct answers. physical energy kinetic energy mechanical energy potential energy
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1. Chargaffs rule states that the amount of _______ in DNA is always roughly equal to the amount of thymine, and that the amount of guanine in DNA is always roughly equal to the amount of cytosine.2. The outside of the DNA double helix is made of alternating groups of deoxyribose sugars and _______.3. The DNA double helix is _______, meaning that the two strands run in opposite directions.4. What's x-ray crystallography?5. Explain how Rosalind Franklin's x-ray crystallography work helped Watson and Crick in their quest to determine the physical structure of DNA.6. What did Watson, Crick, and Franklin discover about the structure of DNA?7. How did Watson, Crick, and Franklin's work reiterate Chargaff's findings?
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