Lessons
How do ecosystems change?
How do species change?
How do changes cause more changes?
Chapter 6
Changes in Ecosystems
Lesson 1 – How are ecosystems balanced?
Terms
Changing ecosystems
New species
Pollution
Landfill
Acid rain
Essential Questions
What are some ways in which animals change ecosystems?
What are some ways in which people change ecosystems?
How are new species created?
About how much garbage do Americans throw away a year?
Where does garbage go after you throw it out?
How do landfills change ecosystems?
What is acid rain?
What affect does acid rain have on ecosystems?
How can acid rain damage be treated?
Lesson 2, How do species change?
Video (4:15)
Terms
Inherit
Traits
Behaviors
Adaptations
Natural selection
Essential Questions
What does inherit mean?
How do animals inherit traits?
What causes diversity in animals?
What are some traits that are inherited?
What causes differences among species that are not inherited?
What are some traits that are not inherited?
What causes adaptations?
What are structural adaptations?
What are examples of behavioral adaptations?
What are examples of learned behaviors?
Lesson 3, How do changes cause more changes?
Terms
Pesticides
Antibiotics
Extinction
Fossils
Essential Questions
What are pesticides?
How do they affect change in an ecosystem?
What causes antibiotics to become ineffective?
What does it mean to be extinct?
What are some causes of extinction?
What do fossil show scientists?
What is an example of human activity causing extinction or endangerment?
