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Biology - Organisms

Across
Multi-cellular animal organisms, move with the aid of a flagella, acquires food by ingestion
Multi-cellular plant organism, all organelles are present including nucleus and chloroplasts, all nutrients are acquired by photosynthesis (sunlight)
The first true vertebrates on earth, these animals evolved from invertebrate ancestors about 500 million years ago, and have dominated the world's oceans, lakes, and rivers ever since
Animals born without backbones eg. insects, worms
Flying vertebrates that are well known for their feathers and songs
These animals are well known for being cold-blooded and having scaly skin
Down
Multi-cellular organisms that cannot move, can vary in size from microscopic to very large, eg. mushroom
Semi-aquatic vertebrates that are now some of the most endangered species on earth today
These animals are characterised by their fur or hair, the milk with which they suckle their young and their warm-blooded metabolisms
Single-celled organisms that do not move with no chloroplast, nucleus or other organelles
Single-celled organisms that can move with a flagella, and has a nucleus and chloroplasts