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Science
Biology
Trees
All Subcategories (54)
Adaptations
American Chestnut
Apple tree
Beech trees
Benefits of Trees
Bent birch trees
Binary Tree
Birch trees
Cherry Blossom
Cherry Blossoms
Cherry trees
Coffee Tree
Communication
Deciduous trees
Douglas Fir
Fire and its effects
Fire effects
Flowering Trees
Fruit-bearing trees
Giant Sequoias
Growth
Harvesting Methods
Height of trees
Importance
Indoor trees
Japanese maple tree varieties
KD-trees
Lilacs
Management and Usage
Maple trees
Movement
Oak trees
Ornamental trees
PATRICIA Tree
Pine trees
Pinecones
Planting and caring for trees
Planting and Species Choice
Reproduction
Root system
Scarcity/Anxiety
Seeds and Growth habits
Small Trees
Special trees
Tree Action
Tree Characteristics
Tree Maintenance
Tree surroundings
Tropical Rainforest Trees
Types of Trees
Unique tree formations
Uses of Trees (e.g. lumber, paper production)
Parent Categories (22)
Biology
Biology or Botany
Botany
Data Structures
Data Structures and Algorithms
Environment
Environmental Science
Flora
Graph Theory
Landmarks or Natural Features
Natural Resources
Nature
Nature/Environment
Plant Species
Plant Types
Plants
Plants and Flowers
Plants and Trees
Renewable Resources
Science & Nature
Science/Plant Life
Symbolism