Ecosystems in the local area

Lesson Objectives

Define ecosystem and the terms associated with it.
Examine the components

Activity - Station

Give definitions for the following terms
Area
Niche
Food web
Food chain
Ecosystem
Community
Population

Detritivore examples

Dung flies

Wood Lice

Fungi

Earthworms

Terrestrial Ecosystem

Freshwater ecosystem (rivers, lakes, ponds, streams, lakes,and wetlands)

Biotic Components
Phytoplanktons, zooplanktons, aquatic

Functions of the freshwater ecosystem
Source of food.
It supports the other

Group Activity

Group 1: Steppe ecosystem
Group 2: Band (Strip) Pine Forests ecosystem.
Group

What is research?

Scientific circle of logic

Prior Knowledge -
Questions -
Hypotheses -
Methods

Questions?

Hypothesis

Hypotheses

A proposed explanation for a phenomenon based on your observations.
A scientific

Types

Research Hypotheses
Statistical hypotheses.
Null hypotheses (H0).
Alternate hypotheses (Ha).

Research Hypotheses

A prediction of study outcomes.
Often a statement of the

Statistical Hypotheses

Statement that you want to test.
A statistical hypothesis test is

Null hypotheses (H0)

Always – there is no difference
The null hypothesis is

Example

Which chickadee species (Mountain Chickadees vs. Black-capped Chickadees) is more abundant

Hypotheses

Research Hypothesis
More Mtn. Chickadees because they are more associated

Area

Niche

Food web

Food chain

Ecosystem

Community