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PLANTS – RECEPTION, RESPONSE AND CO-ORDINATION

Biology

Biology

PLANTS – RECEPTION, RESPONSE AND CO-ORDINATION

 

Introduction

The structures involved in detecting the changes may be located far away from the ones that respond. There is need for a communication system within the body. The nervous system and the endocrine system perform this function, i.e. linking the parts of the body that detect changes to those that respond to them.

 

Irritability

Stimuli

 

Co-ordination

Reception

 

Irritability in Plants

Tropisms

Phototropism

 

Survival value:

Geotropism

 

Survival Value:

Hydrotropism

Survival Value

Chemotropism

Survival Value

Thigmotropism

Survival Value

 

Tactic Movements in Plants and Other Organisms

 

Survival Value

 

Survival Value

Nastic Movements

 

See also:

BIOLOGY PRACTICAL ACTIVITIES

EVOLUTION

PRACTICAL ACTIVITIES TO DEMONSTRATE CONTINUOUS VARIATIONS

GENETIC ENGINEERING

PRACTICAL APPLICATIONS OF GENETICS

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