Biology 172 Lecture 1

The flashcards below were created by user clintave on FreezingBlue Flashcards.

A living thing is a ______ entity that aquires ______ from its surroundings and is capable of _______ , _________ and _________ with its enviornment
- Cellular
- Energy
- Reproducing
- Evolving
- Interacting
The _____ is the lowest level in the hierarchy of biological organization that can perform _____ of the activities required for life
- Cell
- All
2 fundamental theories in biology
- Evolutionary theory
- Cell theory
5 characteristics of all living things
- 1. energy acquisition and use
- 2. made of cell
- 3. process hereditary or genetic information
- 4. replication
- 5. evolution
Common properties of living things
- Order
- Energy Utilization
- Homeostasis
- Response to environment
- Evolutionary adaptation
- Reproduction
- Growth and Development
Evolutionary theory explains both

the unity and diversity of life
In 1858, Darwin and Wallace proposed ....

that all species are related by descent from a common ancestor
When does Natural Selection occur

when individuals in a population have an advantage in their environment due to a certain heritable trait that allows them to survive better and pass their characteristics to their offspring
Genetic changes occur ________

spontaneously
The Tree of Life

maps the relationship between all living things. The cell theory and the theory of evolution by natrual selection imply that all species are descended from a spingle common ancestor at the root of a family tree of all organisms
3 domains of life
- Bacteria
- Archaea
- Eukarya
Sub-domains of Eukarya
- Protists
- Plants
- Fungi
- Animals
Organisms can be unicellular or multicellular. Archaea are _____, almost all bacterua are _______
- unicellular
- unicellular
__________ cells have a membrane-bound nucleus and __________ cells do not have a membrane-bound nucleus
- Eukaryotes
- Prokaryotes
Prokaryotes include .....
- Bacteria
- Archaea
Eukarya include ....

Protists, several groups of unicellular eukaryotes

Author

clintave

130244

Card Set

Biology 172 Lecture 1

Description

Biology Review Lecture 1-10

Updated

2012-01-24T18:25:05Z

Show Answers