Chapter 1

15 cards·by jamimercer

life

characteristics shared by all living organisms

living things are organized

atoms-molecules-cells-tissues-organs-organ systems-organism

biosphere is organized

population-community-ecosystem-biosphere

population

all the members of a species within a particular area

species

a group of interbreeding individuals

community

all the populations within a particular area

ecosystem

all physical and chemical interactions among communities

ecosystem examples

coral reefs, tropical rain forests

living things aquire

materials and energy

materials

matter

atoms

energy

capacity to do work

metabolism

all chemical reactions that occur in a cell

photosynthesis

the conversion of solar energy into chemical energy, the ultimate source of energy for life on earth

living things maintain

homeostasis