Biology Concept Map Flashcards

An experiment in which only one variable is changed; all other variables are kept unchanged.

The variable that is deliberately changed (manipulated variable).

<p>The variable that is observed and that changes in response to the independent variable (responding variable).</p> Signup and view all the answers

<p>Exposed to the same conditions as the experimental group except for one independent variable.</p> Signup and view all the answers

<p>Detailed records of experimental observations, gathering information.</p> Signup and view all the answers

<p>Errors in experiments that can occur in measuring and analyzing data.</p> Signup and view all the answers

<p>A well-tested explanation that unifies a broad range of observations and hypotheses.</p> Signup and view all the answers

<p>The study of life.</p> Signup and view all the answers

<p>A genetic code written in a molecule.</p> Signup and view all the answers

<p>A signal to which an organism responds.</p> Signup and view all the answers

<p>Cells from two parents unite to form the first cell of a new organism.</p> Signup and view all the answers

<p>A single organism that produces offspring identical to itself.</p> Signup and view all the answers

<p>When organisms keep their internal environment relatively stable, even when external conditions change dramatically.</p> Signup and view all the answers

<p>The combination of chemical reactions through which an organism builds up or breaks down materials.</p> Signup and view all the answers

<p>The living planet; consists of all life on Earth and all parts of the Earth in which life exists.</p> Signup and view all the answers

<p>A group of similar organisms that can breed and produce fertile offspring.</p> Signup and view all the answers

<p>A group of individuals that belong to the same species and live in the same area.</p> Signup and view all the answers

<p>An assemblage of different populations that live together in a defined area.</p> Signup and view all the answers

<p>The scientific study of interactions among organisms and between organisms and their physical environment.</p> Signup and view all the answers

<p>All the organisms that live in a place, together with their physical environment.</p> Signup and view all the answers

<p>A group of ecosystems that share similar climates and typical organisms.</p> Signup and view all the answers

<p>Any living part of the environment with which an organism might interact.</p> Signup and view all the answers

<p>Any nonliving part of the environment.</p> Signup and view all the answers

<p>Organisms that can capture energy from sunlight or chemicals and convert it into forms that living cells can use.</p> Signup and view all the answers

<p>The first producers of energy-rich compounds that are later used by other organisms.</p> Signup and view all the answers

<p>Captures light energy and uses it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates.</p> Signup and view all the answers

<p>A process where chemical energy is used to produce carbohydrates.</p> Signup and view all the answers

<p>Organisms that acquire energy from other organisms by ingesting them in one way or another.</p> Signup and view all the answers

<p>Heterotrophs are called this; organisms that rely on other organisms for energy and nutrients.</p> Signup and view all the answers

<p>Animals that kill and eat other animals.</p> Signup and view all the answers

<p>Obtain energy and nutrients by eating plants.</p> Signup and view all the answers

<p>Animals that consume the carcasses of other animals that have been killed.</p> Signup and view all the answers

<p>Animals whose diets naturally include a variety of different foods that usually include both plants and animals.</p> Signup and view all the answers

<p>Organisms that 'feed' by chemically breaking down organic matter.</p> Signup and view all the answers

<p>Organisms that feed on detritus particles, often chewing or grinding them into even smaller pieces.</p> Signup and view all the answers

<p>A series of steps in which organisms transfer energy by eating and being eaten.</p> Signup and view all the answers

<p>Floating algae (primary producer).</p> Signup and view all the answers

<p>A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.</p> Signup and view all the answers

<p>Small free-floating animals that form part of plankton.</p> Signup and view all the answers

<p>Each step in a food chain or food web.</p> Signup and view all the answers

<p>Shows the relative amount of energy or matter contained within each trophic level in a given food chain or food web.</p> Signup and view all the answers

<p>The total amount of living tissue within a given trophic level.</p> Signup and view all the answers

<p>When elements pass from one organism to another and among parts of the biosphere through closed loops which are powered by the flow of energy.</p> Signup and view all the answers

<p>Chemical substances that an organism needs to sustain life.</p> Signup and view all the answers

<p>When bacteria convert nitrogen gas into ammonia.</p> Signup and view all the answers

<p>Other bacteria obtain energy by converting nitrates into nitrogen gas released into the atmosphere.</p> Signup and view all the answers

<p>The nutrient whose supply limits productivity.</p> Signup and view all the answers

<p>Carbon is found in several large reservoirs in the biosphere including the atmosphere, oceans, land, and underground.</p> Signup and view all the answers

<p>Phosphorus in the biosphere cycles among the land, ocean sediments, and living organisms.</p> Signup and view all the answers

<p>Water continuously moves between the oceans, the atmosphere, and land.</p> Signup and view all the answers

<p>The atmosphere is the largest reservoir of nitrogen in the biosphere.</p> Signup and view all the answers

<p>All living things are made up of cells; cells are the basic units of structure and function in living things; new cells are produced from existing cells.</p> Signup and view all the answers

<p>All cells are surrounded by a thin flexible barrier.</p> Signup and view all the answers

<p>A large membrane-enclosed structure that contains genetic material in the form of DNA.</p> Signup and view all the answers

<p>Cells that enclose their DNA in nuclei.</p> Signup and view all the answers

<p>Cells that do not enclose DNA in nuclei.</p> Signup and view all the answers

<p>The portion of the cell outside the nucleus.</p> Signup and view all the answers

<p>Specialized organs within a cell.</p> Signup and view all the answers

<p>Stores materials like water, salts, proteins, and carbohydrates.</p> Signup and view all the answers

<p>Breaks down lipids, carbohydrates, and proteins into small molecules.</p> Signup and view all the answers

<p>A network of protein filaments that give eukaryotic cells their shape and internal organization.</p> Signup and view all the answers

<p>Located near the nucleus and help organize cell division.</p> Signup and view all the answers

<p>Small particles of RNA and protein found throughout the cytoplasm in all cells.</p> Signup and view all the answers

<p>An internal membrane system where lipid components of the cell membrane are assembled.</p> Signup and view all the answers

<p>The process by which particles move from an area of high concentration to an area of lower concentration.</p> Signup and view all the answers

<p>The process in which molecules that cannot directly diffuse across the membrane pass through special protein channels.</p> Signup and view all the answers

<p>Water channel proteins that allow water to pass right through them.</p> Signup and view all the answers

<p>The diffusion of water through a selectively permeable membrane.</p> Signup and view all the answers

<p>Same strength.</p> Signup and view all the answers