IGCSE Biology 3rd edition GCSE Biology 3rd edition
IGCSE Biology 2nd edition
Life Study
Advanced biology

Characteristics of Amphibia, an Introduction

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Amphibia: Characteristics

Amphibia Characteristics Drawings

Amphibia: Characteristics
Amphibia: Characteristics
Background Article. The Frog
Toad
Toad
Frog
Frog
Frog Eyes & Nostrils
Frog Eyes & Nostrils
Amphibian Catching Fly
Amphibian Catching Fly

Amphibian Blood Circulation
Amphibian Blood Circulation
 

Locomotion & Early Life-Cycle

Locomotion & Early Life-Cycle Drawings

Locomotion & Early Life-Cycle
Locomotion & Early Life-Cycle
Frog Leaping
Frog Leaping

Toad Crawling
Toad Crawling

Early Tadpoles
Early Tadpoles
 

Amphibia: Life-Cycle

Amphibia Life-Cycle Drawings

Amphibia Life-Cycle
Amphibia: Life-Cycle
Changes in the Egg
Changes in the Egg
Tadpoles
Tadpoles

External Gill
External Gill
 

Amphibia: Metamorphosis

Amphibia Metamorphosis Drawings

Amphibia Metamorphosis
Amphibia: Metamorphosis
Amphibia Metamorphosis
Amphibia Metamorphosis
Baby Frog 1
Baby Frog 1

Baby Frog 2
Baby Frog 2
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