OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the changes that occur in an organism’s life that make it larger and more complex?
A
Ability to reproduce
B
Growth and development
C
Need for energy
D
Response to stimuli
Explanation: 

Detailed explanation-1: -Growth results in increase in size due to the intake of food. The food consumed by a living organism, is absorbed by the body and is used to nourish the cells for growth. Therefore, this is a chemical change, which includes the formation of new substances during the process of growth.

Detailed explanation-2: -The increase in size and changes in shape of a developing organism depend on the increase in the number and size of cells that make up the individual. Increase in cell number occurs by a precise cellular reproductive mechanism called mitosis.

Detailed explanation-3: -An organism’s growth is affected by both genetic and environmental factors. Growth and division of cells in organisms occurs by mitosis and differentiation for specific cell types.

There is 1 question to complete.