bio 148 - I.Shared characteristics of life A. Energy-...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
I.Shared characteristics of life A. Energy- organisms interact with their environment to acquire and use energy Matter in - CO 2 and nutrients Matter out - O 2 and biomass Energy in - light Energy out - heat
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
I.Shared characteristics of life B. Cells- Basic membrane bound units 1.Prokaryotic cell- Lack of a nucleus 1.Eukaryotic cell- - has a nucleus C. Replication - cells come from other cells Called cell theory
Background image of page 2
I.Shared characteristics of life D. Information- organisms contain hereditary information in units called genes - DNA Controls the development and maintenance of all organisms. Similar in all organisms .
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
I.Shared characteristics of life E. Response to Environment - Feedback mechanisms 1.Negative feedback -accumulation of an end product of a process slows that process 2. Positive feedback - Less common - end product speeds up a pathway
Background image of page 4
I.Shared characteristics of life F. Evolution 1. Definition: - Change in genetic composition of a population of a population over time
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2. Background
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/05/2012 for the course BIO 148 taught by Professor Osterage during the Spring '11 term at Kentucky.

Page1 / 25

bio 148 - I.Shared characteristics of life A. Energy-...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online