bio unit 1

the scientific question to be solved

• idea about the solution to a problem
• ***never in the form of a question

• must be able to repeat the experiment and obtain the same results
• large sample size
• variety of species/random selection of organisms

fineness of an image

increasing something in size

the activities by which living things obtain food and process it for growth and repair of their body cells

an organism must obtain its food; it cannot make it

an organism that can manufacture its own food

the absorption and circulation of materials within an organism

the process by which energy stored in food is converted to a form that can be used by the organism (food->ATP)

the removal of cellular wastes from an organism, such as carbon dioxide, water and urea (urine and sweat)

to take food into the body

hydrolysis; break down of food

removal of indigestible material (don't confuse with excretion)

the process by which large molecules are built from smaller molecules

involves the control and coordination of all activities of an organism

• involves the increase in cell number and coordination of an organism
• utilizes the products of synthesis

the production of new individuals of one's own kind. Not needed by an individual living thing, but needed by its species for the survival of the species

the ability of an organism to resist disease causing organisms and foreign invaders

all the chemical activities that take place in an organism to keep it alive

the maintenance of a stable internal environment; the organism's stability

1 mm= 1000 um