Karteikarten
Biology: Chapter 1(the science of life)
Karten in diesem Stapel (16)
- 1What is biology?science of life. involves the study of living things and the theories that describe the world of life.
- 2what are biologistsscientists who study living things
- 3all living things share the _________________________characteristics of life
- 4list down 7 characteristics of lifemovement, reproduction, sensitivity, growth, respiration, excretion, nutrition
(MRS GREN) - 5what is nutrition?process by which organisms take in food and convert it to new protoplasm
- 6what is respiration?oxidation of food substances to release energy for cell activities. energy is set free when these substances are broken down through respiration into carbon dioxide and water
- 7metabolismsum of all the biochemical reactions that takes place within the cell
- 8excretionprocess by which organisms remove metabolic waste products
- 9growthpermanent increase in mass and volume of an organism when absorbed food is converted to protoplasm
- 10movementindependent of external forces such as wind or water currents
- 11reproductionnecessary for a species to survive
- 12speciesa group of similar organisms
- 13sensitivityresponse of living organisms to a stimulus
- 14stimulusexternal influence causes an organism to react in a predictable way
- 15adaptationany characteristic of an organism that improves it chances of surviving in its environment
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