Fill in the blanks :1. It is supposed that some species of two legged

1.	Fill in the blanks :1. It is supposed that some species of two legged and winged dinosaurs evolved into ………….. 2. The ……………………… organisms evolved gradually and various classes of plants and animals came into being. 3. Animals without a backbone are called …………… 4. Animals which have a backbone are called ………. 5. …………………….. are animals which live in water and also on land.
Answer» 1. birds 2. multicellular 3. invertebrates 4. Vertebrates 5. Amphibians

Fill in the blanks :1. It is supposed that some species of two legged and winged dinosaurs evolved into ………….. 2. The ……………………… organisms evolved gradually and various classes of plants and animals came into being. 3. Animals without a backbone are called …………… 4. Animals which have a backbone are called ………. 5. …………………….. are animals which live in water and also on land.

Answer»

1. birds

2. multicellular

3. invertebrates

4. Vertebrates

5. Amphibians

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