ch1

Question 1

7 characteristics of organisms

Answer 1

movement
respiration
irritability
growth
reproduction
excretion
nutrition

Question 2

what is homeostasis

Answer 2

maintaining a relatively constant internal environment in a organism

Question 3

examples of metabolic waste

Answer 3

urea
carbon dioxide

Question 4

nature of science

Answer 4

• science advances through reasonable skepticism
• doing science requires creativity and imagination
• good scientific experiment must include carefully designed controls
• science is a process of ongoing inquiries
• scientists have to explore using different techniques and methods to find out a good solution to a problem
• scientists build on the work of other scientists