Fill in the blanks:1. The extent of complexity and density of ________

1.	Fill in the blanks:1. The extent of complexity and density of ________ can be regarded as a measure of health of an ecosystem. 2. In a museum, plant and animal specimens are preserved in _________ in transparent jars. 3. A naturalist can study food habits and behaviour of animals in a ___________. 4. Study of _________ is a must, to understand interrelations between organisms and maintain harmony on planet earth. 5. The statement in a key is called a _________.
Answer» 1. biodiversity 2. formalin 3. zoo/ zoological park 4. biodiversity 5. lead

Fill in the blanks:1. The extent of complexity and density of ____ can be regarded as a measure of health of an ecosystem. 2. In a museum, plant and animal specimens are preserved in _ in transparent jars. 3. A naturalist can study food habits and behaviour of animals in a ___. 4. Study of _ is a must, to understand interrelations between organisms and maintain harmony on planet earth. 5. The statement in a key is called a _____.

Answer»

1. biodiversity

2. formalin

3. zoo/ zoological park

4. biodiversity

5. lead