Course Content
Classification I
The Cell
Cell Physiology
Nutrition in Plants and Animals
Transport in Plants and Animals
Gaseous Exchange
Respiration
Excretion and Homeostasis
Classification II
Ecology
Reproduction in Plants and Animals
Growth and Development in Plants and Animals
Final Exam
BIOLOGY

Types of Responses to a variety of Stimuli

Animals respond by movement and locomotion

Plants respond by growth

Growth/movement towards a stimulus is described as positive response

Growth/movement away from a stimulus is described as negative response

Responses are categorized into three groups;

  1. Taxis or tactic responses.
  2. Tropisms or tropic responses.
  3. Nastic responses.