- Study guides, Class notes & Summaries

natural selection - ANSWER-survival of the fittest organisms based on their favorable heritable characteristics and being best adapted to the environment mechanism for evolution increased reproductive success of organisms with favorable heritable characteristics leading to a change in the genetic composition of a population over time Lamarackian explanation - ANSWER-stated that acquired characteristics were passed off to offspring "Theory of Inheritance of Acquired Characteristics" ...

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7 pages

Written in 2023/2024

Grade A+

lectknancy

What is a simple device that opens and closes a circuit? - ANSWER-switch TRUE or FALSE As a ball rolls along the ground it starts to slow down and stops after a period of time as this is caused by friction. - ANSWER-true What is the difference between a series circuit and a parallel circuit? - ANSWER-A series circuit has one path; and a parallel circuit splits into two branches. TRUE or FALSE If you squeeze an inflated balloon softly between your hands, you will notice that it will ge...

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4 pages

Written in 2023/2024

Grade A+

lectknancy

cell - ANSWER-the smallest unit of all living organisms microscope - ANSWER-an instrument that uses a lens or a combination of lenses to produce magnified images of small objects unicellular - ANSWER-consisting of one cell multicellular - ANSWER-consisting of many cells ingestion - ANSWER-the intake of food throught swallowing, chewing and biting digestion - ANSWER-the mechanical and chemical processes that convert soluble food into soluble nutrients absorption - ANSWER-when so...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

Biology - ANSWER-The study of living and non-living organisms. Life Science - ANSWER-The study of plants and animals. Botany - ANSWER-The study of plants. Zoology - ANSWER-The study of animals Chemistry - ANSWER-the study of chemicals Physics - ANSWER-The study of energy and matter. Geology - ANSWER-The study of rocks Biosphere - ANSWER-Al living and non-living organisms that make up the biological component of the Earth. Lithosphere - ANSWER-The solid components of the E...

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5 pages

Written in 2023/2024

Grade A+

lectknancy

All natural sciences rely on the fundamental assumption that - ANSWER-The natural world operates in a consistent and predictable manner At the planetary scale, the most striking feature of Earth's surface is its division into - ANSWER-Continents and Ocean Basins Earth's age has been determined from - ANSWER-Radiometric dating of meteorites that are thought to have formed at the same time as Earth How does a scientific explanation become elevated and be considered status of "theory" ...

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5 pages

Written in 2023/2024

Grade A+

lectknancy

Heading - ANSWER-Is comprised of the: o chapter number o chapter title Heading - ANSWER-we gain information on the: o place of the lesson of the book and; o the main topic Brief Explanation - ANSWER-Contents of the chapter may also be presented in order to set the expectations of the reader Sidebar - ANSWER-Enumerated the specific questions to be answered in the section as well as their sequence Picture - ANSWER-Serves as the visual representation of the: Principles Application...

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2 pages

Written in 2023/2024

Grade A+

lectknancy

What practical use has been found for radio waves? - ANSWER-Cell phone communications Blue light has a higher frequency than red light, therefore blue light - ANSWER-Transmits more energy than red light Standing at a station on the New Jersey Transit railroad line you hear the horn from an approaching train. The horn sounds like it changes in pitch from a low frequency to a higher frequency as the train reaches the situation. This is probably caused by: - ANSWER-The Doppler Shift Which ...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

The scientific method, which is very useful in many field besides science, is simply - ANSWER-A systematic way of evaluating evidence A scientific theory - ANSWER-Has been confirmed through repeated tests. A scientist recorded the time of sunrise every day for ten years. This is a method of gathering data by - ANSWER-observation. A scientist conducted experiments in which she measured the amount of the vitamin, folic acid, in food after heating the food to various temperatures. She grap...

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10 pages

Written in 2023/2024

Grade A+

lectknancy

Venus, Mars, Jupiter, Saturn - ANSWER-The following planets are visible with the naked eye. If a planet has an orbit smaller then Earth it can be seen in the morning or evening sky. Electrostatic - ANSWER-Atoms are held together by chemical bonds that are primarily? Glacial ice - ANSWER-An unsorted mixture of clay, boulders, sand and silt would most likely be deposited from which of the following? Equilibrium at Earth surface - ANSWER-Must have identical masses Crop irrigation - ANS...

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9 pages

Written in 2023/2024

Grade A+

lectknancy

Speed of Waves - ANSWER-Speed (v) = Frequency (f) x Wavelength (λ) Ideal Gas Law (pressure and volume) - ANSWER-PV=nRT. P- pressure V- volume n- amount of gas R- gas constant T- temperature of the gas Acceleration caused by gravity - ANSWER-9.8 meters per second squared Law of Force vs Mass (Newton's 2nd Law) - ANSWER-The rate of change of an object is proportional to its mass and the force acting upon it. F=ma. F-force m-mass a-acceleration Speed - ANSWER-rate of ...

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2 pages

Written in 2023/2024

Grade A+

lectknancy

which ones are correct? 1. Biological and non-biological substances both need oxygen for their existence 2. the human body consists only of biological substances - ANSWER-1 and 2 are both correct which ones are correct? 1. every living organism needs some non-biological substances for its existence 2. all non-biological substances are found as minerals in the earth - ANSWER-1 is correct 2 is incorrect characteristics of life include.. - ANSWER-growth and metabolism examples of syn...

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6 pages

Written in 2023/2024

Grade A+

lectknancy

Chemistry - ANSWER-the branch of physical science that studies matter and its changes Physics - ANSWER-a branch of physical science that studies forces and energy Geology - ANSWER-a branch of Earth science that studies the physical nature and history of Earth Meteorology - ANSWER-a branch of Earth science that studies the atmosphere and the weather Ecology - ANSWER-a branch of biology that studies the balance in nature Life, Physical, and Earth Sciences - ANSWER-the main branches ...

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1 pages

Written in 2023/2024

Grade A+

lectknancy

How does biology unify much of natural science? - ANSWER-Biology unifies much of natural science by incorporating elements of natural sciences. Energy exchanges associated with physics are used in every level of exchange between living organisms. Chemical elements from chemistry make up the structure of living things. Biology builds on already known information by exploring the wonders of life. What are the seven characteristics of life? - ANSWER-1) Cellular organization 2) Ordered complexit...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

2. Which of the following sciences is not considered a natural science? A). Astronomy B). Biology C). Computer Science D). Physics - ANSWER-C). Computer Science 3. What is the name for the formal process through which scientific research is checked for originality, significance, and quality before being accepted into scientific literature? A). publication B). public speaking C). peer review D). the scientific method - ANSWER-C). peer review 5. Which of the following is an example o...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

Identify the shared characteristics of the natural sciences - ANSWER-A. The natural sciences are areas of science related to the physical world B. Often subdivided into the physical (non-living) and life sciences (living) Summarize the steps of the scientific method - ANSWER-Make observation ask a question form a hypothesis make a predication based on hypothesis do the experiment analyze the results check if hypothesis is correct report the results Explain the difference betwee...

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7 pages

Written in 2023/2024

Grade A+

lectknancy

Identify the shared characteristics of the natural sciences - ANSWER-Natural science are different fields of science that relates to the physical world and its phenomena and processes. Steps of the scientific method (6) - ANSWER-Observation, Question, hypothesis that answers a question, Prediction based on the hypothesis, Do an experiment to test the prediction, Analyze the results Inductive reasoning - ANSWER-observation based Deductive reasoning - ANSWER-hypothesis based Basic Scie...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

Evolution - ANSWER-the gradual change of characteristics within a population, producing a change in a species over time. Natural Selection - ANSWER-a feature of population genetics that is the driving force behind evolution. Gene Pool - ANSWER-the entire collection of genes within a given population. Differential Reproduction - ANSWER-individuals within a population that are most adapted to the environment and are also the most likely individuals to reproduce successfully; tends to stre...

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18 pages

Written in 2023/2024

Grade A+

lectknancy

Anomaly - ANSWER-An observation that some how seems to contradict a generally accepted theory Causation - ANSWER-The causation of a phenomenon is what directly makes it occur. This is in distinct contrast to correlation Conjecture - ANSWER-An imaginative hypothesis Correlation - ANSWER-Unlike causation, correlation suggests that two events or phenomena are linked only because they both share a third factor, or simply because they happened at the same or similar time Deductive - ANSWE...

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3 pages

Written in 2023/2024

Grade A+

lectknancy

Natural Sciences - ANSWER-Natural Science is made up of Life Sciences such as Biology and Genetics Earth Sciences - ANSWER-Earth Science is made up if Astronomy and Meteorology Physical Sciences - ANSWER-Physical Sciences are made up of Physics and Chemistry Physics - ANSWER-Forces and Energy Chemistry - ANSWER-Matter and its changes Pure Science - ANSWER-It is the continued search for knowledge. Science to learn more about the world and everything in it. Applied Science - ANSW...

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1 pages

Written in 2023/2024

Grade A+

lectknancy

What is the first event that occurs during meiosis? A. Homologous chromosomes segregate to opposite poles. B. Sister chromatids segregate to opposite poles. C. Homologous chromosomes align at the midplate of the cell. D. Homologous chromosomes pair and synapse. E. Chromosomes condense in a diploid nucleus. - ANSWER-E. Chromosomes condense in a diploid nucleus. (chromosomes of a diploid nucleus become distributed into four haploid nuclei) A sample of blood is added to a test tube...

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10 pages

Written in 2023/2024

Grade A+

lectknancy