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g6 Segment 3
6th grade STEMscopes CA Segment 3 (all scopes)
Question | Answer |
---|---|
Adaptation | A process by which a population becomes better suited to its environment by increasing the frequencies of alleles that provide benefits to survival and reproduction |
Air Mass | A body of air extending over a large area (1,000 miles or more) that develops and retains specific characteristics of pressure, temperature, and humidity |
Allele | A version of a gene |
Anther | The part of a flower that contains the pollen; located at the end of the stamen |
Asexual Reproduction | The reproductive process that involves one parent and produces offspring identical to the parent |
Atmosphere | The layer of gas surrounding a planet that is held in place by gravity |
Behavior | What a plant or animal does |
Brain | The organ that serves as the primary control center of the nervous system in all vertebrate and most invertebrate animals |
Chemical Input | A chemical that enters the body |
Chromosome | A single, highly organized and structured piece of DNA |
Cold Front | The border between an advancing mass of cold air mass and a retreating warm air mass |
Electromagnetic Input | Signals that enter the body in the form of electromagnetic stimuli |
Environmental Factor | Any factor, whether abiotic or biotic, that influences living organisms |
Forecast | A prediction or estimate of future events |
Gene | The basic physical and functional unit of heredity made up of DNA |
Genetic Factors | Things that result from the specific alleles carried by an individual |
Genetic Variation | The variety of gene combinations that exist within a population |
Global Winds | Winds that act as a heat transfer system due to the unequal heating of Earth’s surface |
Growth | Process of increasing in size and maturity |
Inherited Trait | A characteristic that is passed from parent to offspring |
Landforms | Features on the surface of Earth, such as mountains, hills, dunes, oceans, or rivers |
Mechanical Input | Signals that enter the body through physical touch or vibration |
Nerve Cell | A cell specialized for transmitting fast electrochemical signals |
Ocean Currents | Directional movements of ocean water; surface currents result from steady winds over the ocean surface; deep currents result from density variations due to temperature and salinity differences |
Offspring | Product of reproduction; a new organism produced by one or more parents |
Organism | A self-contained living thing |
Ovary | A female reproductive organ that produces eggs |
Petals | The colorful, leaflike structures that encircle the center part of the flower |
Pistil | The female structure of the flower; contains the stigma, style, and ovary |
Pollen | Fine to coarse particles spread from flowers and seeds of plants |
Pollination | The process of fertilizing flowers by transferring pollen from the male to female parts |
Probabilistically | Based on probability |
Punnett Square | A tool used to analyze the possible allele combinations of the offspring between two individuals |
Reproduction | The process by which organisms produce more of their own kind |
Sensory Receptor | A nerve ending that sends signals to the central nervous system when it is stimulated |
Sexual Reproduction | The reproductive process involving two parents whose genetic material is combined to produce a new organism different from themselves |
Specialized | Having characteristics that allow specific functions to be performed |
Stamen | The male structure of the flower; contains the anther and filament |
Stimulus | An action or condition that provokes a response |
Variation | The occurrence of an organism, trait, or gene in more than one form |
Warm Front | The boundary between an advancing warm air mass and a receding cooler air mass |
Weather | The day-to-day state of the atmosphere |
Weather Map | A map or chart that shows the weather conditions at a specific point in time over a specific region |
Weather Pattern | Similar weather for a certain number of days |