BIOL 1001 Chapter : Chap 1 Life On Earth
Document Summary
Life on earth chapter 1: what is life, name some non-living things , name some living things, what are some qualities that living things have that non-living things do not have, chapter 1. Quality that distinguishes vital functioning beings from dead ones to inorganic compounds: we define life with a set of characteristics shared by all living organisms. To be alive an organism must: composed of cells, maintain homeostasis, respond to stimuli, use and convert materials and energy, grow, reproduce, evolve. 1mm- complex and organized: living organisms are composed of cells that have a complex, organized structure. The cell is the smallest unit of life: living organisms maintain homeostasis. Homeostasis = to stay the same : enables organisms to cope with changes in their environment, living organisms respond to stimuli. Energy is acquired from sun by photosynthetic organisms and transferred through organisms that eat other forms of life: living organisms grow. All identified life forms possess these seven characteristics.
