Untitled Quiz

A group of organisms that can reproduce to produce fertile offspring.

An internationally agreed system in which the scientific name of an organism is made up of two parts showing the genus and species.

A group of cells with similar structures, working together to perform a shared function.

<p>A structure made up of a group of tissues, working together to perform specific functions.</p> Signup and view all the answers

<p>A group of organs with related functions, working together to perform body functions.</p> Signup and view all the answers

<p>The net movement of particles from a region of higher concentration to a region of lower concentration.</p> Signup and view all the answers

<p>The diffusion of water from a region of higher water potential to a region of lower water potential, through a partially permeable membrane.</p> Signup and view all the answers

<p>Movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration.</p> Signup and view all the answers

<p>A substance that increases the rate of a chemical reaction and is not changed by the reaction.</p> Signup and view all the answers

<p>Proteins that function as biological catalysts.</p> Signup and view all the answers

<p>The taking of substances into the body through the mouth.</p> Signup and view all the answers

<p>The breakdown of food into smaller pieces without chemical change to the food molecules.</p> Signup and view all the answers

<p>The breakdown of large, insoluble molecules into small, soluble molecules.</p> Signup and view all the answers

<p>The movement of small food molecules and ions through the wall of the intestine into the blood.</p> Signup and view all the answers

<p>The movement of digested food molecules into the cells of the body where they are used.</p> Signup and view all the answers

<p>The passing out of food that has not been digested or absorbed as faeces.</p> Signup and view all the answers

<p>The process by which plants manufacture carbohydrates from raw materials using energy from light.</p> Signup and view all the answers

<p>Something present in the environment in such short supply that it restricts life processes.</p> Signup and view all the answers

<p>Loss of water vapour from plant leaves by evaporation followed by diffusion.</p> Signup and view all the answers

<p>The movement of sucrose and amino acids in phloem from regions of production to regions of storage or use.</p> Signup and view all the answers

<p>The chemical reactions in cells that use oxygen to break down nutrient molecules to release energy.</p> Signup and view all the answers

<p>The chemical reactions in cells that break down nutrient molecules without using oxygen.</p> Signup and view all the answers

<p>A disease-causing organism.</p> Signup and view all the answers

<p>A disease that can be passed from one host to another.</p> Signup and view all the answers

<p>Defence against a pathogen by antibody production in the body.</p> Signup and view all the answers

<p>A junction between two neurones.</p> Signup and view all the answers

<p>Groups of receptor cells responding to specific stimuli.</p> Signup and view all the answers

<p>A chemical substance produced by a gland and carried by the blood.</p> Signup and view all the answers

<p>A response in which parts of a plant grow towards or away from gravity.</p> Signup and view all the answers

<p>A response in which parts of a plant grow towards or away from light.</p> Signup and view all the answers

<p>The maintenance of a constant internal environment.</p> Signup and view all the answers

<p>Any substance taken into the body that modifies or affects chemical reactions.</p> Signup and view all the answers

<p>A process resulting in the production of genetically identical offspring from one parent.</p> Signup and view all the answers

<p>Nuclear division giving rise to genetically identical cells.</p> Signup and view all the answers

<p>A process involving the fusion of the nuclei of two haploid gametes to form a diploid zygote.</p> Signup and view all the answers

<p>The fusion of gamete nuclei.</p> Signup and view all the answers

<p>Nuclear division in which the chromosome number is halved from diploid to haploid.</p> Signup and view all the answers

<p>The transfer of pollen grains from the anther to the stigma.</p> Signup and view all the answers

<p>The transfer of pollen grains from the anther of a flower to the stigma of the same flower.</p> Signup and view all the answers

<p>The transfer of pollen grains from the anther of a flower to the stigma of a flower on a different plant.</p> Signup and view all the answers

<p>An infection that is transmitted via body fluids through sexual contact.</p> Signup and view all the answers

<p>The transmission of genetic information from generation to generation.</p> Signup and view all the answers

<p>A thread-like structure of DNA, carrying genetic information in the form of genes.</p> Signup and view all the answers

<p>A length of DNA that codes for a protein.</p> Signup and view all the answers

<p>A version of a gene.</p> Signup and view all the answers

<p>A nucleus containing a single set of unpaired chromosomes.</p> Signup and view all the answers

<p>A nucleus containing two sets of chromosomes.</p> Signup and view all the answers

<p>The genetic make-up of an organism in terms of the alleles present.</p> Signup and view all the answers

<p>The observable features of an organism.</p> Signup and view all the answers

<p>Having two identical alleles of a particular gene.</p> Signup and view all the answers

<p>Having two different alleles of a particular gene.</p> Signup and view all the answers

<p>An allele that is expressed if it is present.</p> Signup and view all the answers

<p>An allele that is only expressed when there is no dominant allele present.</p> Signup and view all the answers

<p>A characteristic in which the gene responsible is located on a sex chromosome.</p> Signup and view all the answers

<p>Differences between individuals of the same species.</p> Signup and view all the answers

<p>Genetic change.</p> Signup and view all the answers

<p>A change in the base sequence of DNA.</p> Signup and view all the answers

<p>An inherited feature of an organism that increases its fitness.</p> Signup and view all the answers

<p>The probability of an organism surviving and reproducing in its environment.</p> Signup and view all the answers

<p>The process, resulting from natural selection, by which populations become more suited to their environment.</p> Signup and view all the answers

<p>Changing the genetic material of an organism by removing, changing or inserting individual genes.</p> Signup and view all the answers

<p>Showing the transfer of energy from one organism to the next, beginning with a producer.</p> Signup and view all the answers

<p>The position of an organism in a food chain, food web, pyramid of numbers or pyramid of biomass.</p> Signup and view all the answers

<p>A network of interconnected food chains.</p> Signup and view all the answers

<p>An organism that makes its own organic nutrients, usually using energy from sunlight.</p> Signup and view all the answers

<p>An organism that gets its energy by feeding on other organisms.</p> Signup and view all the answers

<p>An animal that gets its energy by eating plants.</p> Signup and view all the answers

<p>An animal that gets its energy by eating other animals.</p> Signup and view all the answers

<p>An organism that gets its energy from dead or waste organic material.</p> Signup and view all the answers

<p>Group of organisms of one species, living in the same area at the same time.</p> Signup and view all the answers

<p>All of the populations of different species in an ecosystem.</p> Signup and view all the answers

<p>A unit containing the community of organisms and their environment, interacting together.</p> Signup and view all the answers

<p>One which is produced as rapidly as it is removed from the environment.</p> Signup and view all the answers

<p>Development providing for the needs of an increasing human population without harming the environment.</p> Signup and view all the answers