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How does natural selection support the theory of evolution? a) Natural selection explains how the changes in life forms that evolve over millions of years take place over shorter periods of time. b) Natural selection explains how certain life forms are able to survive and reproduce after changes in their environmental conditions. c) Natural selection comes from the collection of fossil record data that shows how life forms.

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What are microwaves are used for? A. cell phone transmitters and cooking food B. T.V. signals C. visible light

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Ultraviolet light can be used A. to kill harmful bacteria. B. to broadcast T.V. signals. C. in radios.

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The ATP molecule can be considered a form of chemical energy because A. It stores the energy from the glucose in the bonds between the phosphate groups B. It has a five carbon sugar like RNA C . It takes in light energy from the sun D. It is a form of fat

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Rapid water loss from burned skin is an extreme form of ________ perspiration.

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Prokaryotes’ essential genetic information is located in the

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Plants perform photosynthesis and respiration. Dead plants are broken down and become part of the soil. Which of the following matter do plants help to cycle through ecosystems?

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How many tropic levels does a food web have

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Which type of cell(s) store the genetic information that is passed on the baby hamsters?

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Which best describes cancer cells? A. Cancer cells cannot enter the circulatory system. B. Cancer cells grow controllably. C. Cancer cells attach to organs. D. Cancer cells lose nutrients to healthy cells.

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What role do microtubules play during mitosis?A. microtubules line up chromosomes at the equator of the cell during metaphaseB. microtubules play a role in the disassemble and reassembly of the nuclear membrane C. microtubules play a role in the formation of the cell plate when plant cells undergo cell divisionD. microtubules play a role in the migration of chromosomes to opposite ends of a dividing cell during anaphase

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How does lungfish catch food ??

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What is the only form of nitrogen that plants can absorb?

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The energy needed for body’s internal activities when at rest is your Active Metabolic Rate. True False

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The process by which a cell captures the energy in sunlight and uses it to make food called what

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When you were a child, your mother always made you chocolate chip cookies when you were sad, cheering you up. As an adult, whenever you smell chocolate chip cookies baking, you feel happier. ill in the right answer for each section. 1. Unconditioned Stimulus (US): _______ 2. Unconditioned response (UR): ______ 3. Conditioned Stimulus (CS): _______ 4. Conditioned Response (CR): ______ Your answer

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Which of the following is not true about sedimentary rocks? a. They are formed through compaction and cementation. c. They are formed from igneous rock fragments. b. They are made up of sediments. d. They are not part of the rock cycle.

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1.compared to adults,a newborn breathes a. a quarter as ofter b.half as often c.the same amount d.four times as often 2.the cluster of air sacs at the end of each bronchiole is called a.bronchi b.traches c.alveoli d.bronchus 3.the flap of elastic cartilage that protect food from entering the larynx is called the a.epiglottis b.glottis c.larynx d.esophagus 4.when blood leaves the lungs it is a.oxygenated b.deoxygenated c.exchanging gases d.rich in carbon dioxide

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What role does cellular respiration play in the water cycle? It removes H2O from the atmosphere during glycolysis. It removes H2O from the atmosphere during acetyl CoA formation. It releases H2O to the atmosphere during the citric acid cycle. It releases H2O to the atmosphere during electron transport.

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4. Crustaceans are well adapted to life on the rocky shore because they have (2 points) A) Soft shells B) Internal skeletons C) Camouflaged color patterns D) Holdfasts

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The ______ nervous system receives information from sense organs and analyzes that information. A: Central B: Peripheral

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Axons of ganglion cells form the optic tract. these fibers synapse in the ________.

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Which produces the sediments that ultimately lead to soil formation? A. rivers B. plants C. weathering D. rainfall

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The higher invertebrates are divided into two evolutionary lines, protostomes and deuterostomes. This division is based on which developmental feature? A.wether the blastopore ultimately develops into a mouth or an anus B. wether the embryonic cells undergo spiral or radial cleavage C. wether the coelom forms by splitting the mesoderm or through the pocket of the gut.

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Which best describes reproduction? Asexual reproduction may lead to an accumulation of mutations in the DNA. Sexual reproduction allows for diploid gametes to combine to increase genetic variation. Asexual reproduction leads to the formation of haploid gametes. Sexual reproduction allows for more gametes to be formed than asexual reproduction does.

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Which digestive organ is the last organ food passes through before reaching your stomach? a. pharynx b. epiglottis c. esophagus d. mouth

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Scientists use critical thinking skills throughout the process of research and experimentation. Why is it important for scientists to remain open-minded about the information they come across in their experiments? a. It prevents them from injecting bias into their experiments. b. It allows them to inject bias into their experiments. c. It improves the accuracy of the information. d. It lowers the accuracy of the information.

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What events caused the formation of most islands in the South Pacific?

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Biology help please i will upvote Matching A. Interphase B. Prophase C. Metaphase D. Anaphase E. Telophase F. Cytokinesis _____1. Chromosomes line up at the equator and spindle fibers attach to the centromeres of the chromosomes. _____2. Division of the cell cytoplasm once mitosis is complete _____3. Before cytokinesis, 2 nuclear envelopes form around each set of chromosomes. _____4. Before Mitosis begins, the cell prepares for division by increasing in size and duplicating the DNA. _____5. Sister chromatids are separated by spindle fibers and the 2 sets of identical chromosomes are pulled to opposite ends of the cell _____6. Chromosomes condense the nuclear membrane breaks apart and spindle fibers form.

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The cell’s internal transport system consists of a series of sacs and tubes collectively called

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