Let's explore the responses of organisms, populations, and communities to various changes in their external environment. Before you get started, don’t forget to print out your OnTRACK Biology Journal.
TEKS Standards and Student Expectations
B(11) The student knows that biological systems work to achieve and maintain balance. The student is expected to:
B(11)(B) investigate and analyze how organisms, populations, and communities respond to external factors
Learning Objectives
Identify and give examples of stimuli and responses.
Describe responses of organisms, populations, and communities to various stimuli.
Relate stimulus/response to the health and survival of organisms, populations, and communities.
Essential Questions
How do organisms, populations, and communities respond to changes in the external environment?
Why do organisms, populations, and communities respond to changes in the external environment?
Vocabulary
- Stimuli
- Response
- Aestivation
- Abiotic
- Biotic
- Limiting Factors
- Carrying Capacity
- Migration
- Reproductive Migration
- Seasonal Migration