BIO 270 Syllabus


Division:        Arts and Sciences                                                                                       Date:  January 2014           


Curricula in Which Course is Taught: Science, Liberal Arts


Course Number and Title:           BIO 270, General Ecology


Credit Hours:   4                             Hours/Wk Lecture:  3         Hours/Wk Lab:  3                Lec/Lab Comb:  



I.              Catalog Description:       Studies interrelationships between organisms and their natural and cultural environments with emphasis on populations, communities, and ecosystems. Prerequisite BIO 101-102 or divisional approval.  Lecture 1-4 hours. Recitation and laboratory 3-6 hours. Total 4-10 hours per week.


II.            Relationship of the course to curricula objectives in which it is taught: 


This is a transfer course which will meet natural science requirements in liberal arts and the science programs at DCC.  It will also meet liberal arts elective requirements.


III.           Required background: 


BIO 101 and BIO 102


IV.          Course Content:


1.            Autecology: Basic Concepts and Principles

a.       Plant and Animal Population Density

b.       Moisture and Circadian Rhythms

c.       Soils, Climate, Speciation

2.            Population Ecology: Concepts and Principles

a.       Population Distribution and Abundance

b.       Secondary Succession and Community Diversity

c.       Population Growth and Dynamics

d.       Competition, Exploration and Mutualism in population biology

3.            Ecosystem, Ecology and Community

a.       Abundance and Diversity

b.       Foodwebs

c.       Energy Flow

d.       Decomposition

e.       Nutrient Cycling and Succession

f.        Landscape and Geographical Ecology: Concepts and Principles


V.  Learner Outcomes


The student will:

VI.  Evaluation

A.   Be able to apply principles of ecology to nature.

B.   Understand human impacts on the environment

C.   Understand ecological concepts and mathematical models

D.   Be able to analyze graphical presentation of environmental information

E.   Understand major components of ecosystems

F.    Be able to predict how these systems react to internal and external stressors.

Student performance will be based on a combination of quizzes, tests, exams, written assignments and lab practicals as defined by faculty.  All students must complete lab practicals, and one major systematic writing assignment as defined by the faculty.


All written assignments will be assessed for spelling, punctuation, grammar, and consistency according to the conventions of standard English.



         VII.    This course supports the following objectives:


DCC Educational Objectives:


Critical Thinking

Quantitative Reasoning

Scientific Reasoning