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bio

QuestionAnswer
8 characteristics of life 1 made of cells 2 reproduce 3 based on genetic code 4 growth and development 5 obtains and uses energy 6 responds to environment 7 maintains homeostasis 8 evolves
eukaryote organism that contains nuclei
prokaryote single celled organism lacking nucleus
emergent properties A system Is more than just a sum of its parts
homeostasis Process by which organisms maintain a relatively stable internal environment ex sweating in summer
genetic code DNA : Stores genetic information in most living organisms passed from parents to offspring RNA: stores genetic information in viruses
growth and development growth: increase in mass development: natural changes that take place during the life of an organism
heterotroph An organism that has to get its energy from other organisms Ex: animals
autotroph Organism that makes its own food usually using sunlight Ex: plants use photosynthesis
metabolism set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes
decomposer An organism that breaks down and obtains energy from dead organic matter
stimulus A signal to which an organism responds Response: reaction to a stimulus Ex: The cheetah responds to feelings of hunger by chasing the gazelle
asexual New organism has a single parent. Offspring share 100% of their DNA with parent.
sexual 2 cells from different parents unite. Offspring share 50% of their DNA with each parent.
evolution change in a population over time Ex: The skin of a population of frog darkened over time in response to plants with dark green foliage.
natural selection process by which individuals that are better suited to the environment survive and reproduce
Created by: charlottedavidge
 

 



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