Biology Question & answer Posts - TopicsExpress

Exercise Short answer question: 1. What is a cell? 2. What are the
Exercise Short answer question: 1. What is a cell? 2. What are the functions of plastids? 3. Show the relation between tissue and organ? 4. What is th...

Concept of energy pyramid: The narrow apex of the
Concept of energy pyramid: The narrow apex of the three-dimensional structure based on its triangular base is called a pyramid. The structure of tropi...

Work-1: Observation of a plant cell (onion cell) under a
Work-1: Observation of a plant cell (onion cell) under a microscope; Essentials: Onion, blade, slide, cover slip, watch glass, paint brush, glycerin a...

All the organisms in the world are characterized with their own
All the organisms in the world are characterized with their own unique features. Features of individual organisms pass to the next generation and evol...