Short Answer TypeName the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.
Differentiate between
Open and Closed circulatory system
| Open Circulatory system | Closed circulatory system |
| 1. The blood flows in spaces called sinuses and cells and tissues are bathed in blood. | 1. The blood flows through a network of blood vessels |
| 2. Inefficient | 2. Efficient |
| 3. Found in Arthropoda and Mollusca | 3. Found in Annelida and mammals. |
Mention two similarities between
a. Aves and mammals
b. Frog and crocodile
c. Turtle and pila
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