Search: “photosynthesis”

The internal structure of a leaf consists of three main tissues: The epidermis ( the upper and lower epidermis) 2.The […]

Supporting Tissue In Plants Parenchyma Collenchyma Sclerenchyma Xylem Phloem Parenchyma It is made up of living unspecialized plant cell that […]

Nutrition is defined as the process by which living organisms obtain and utilize food materials from external environment for metabolic […]

DIFFUSION: is the process by which molecules of substances, such as liquid gases move randomly from a region of higher […]

Cell of different organisms exist in different forms. Some are single and free living, others may be colonial, filamentous or […]

Function of cell components Cell organelles are defined as all the structures outside the nucleus but floating on the cytoplasm. […]

The sun is a spherical central body of the solar system that radiates light and heat. It has a diameter […]

Uses of Energy Solar energy is a universal source of light to planet earth. The plants also use it to […]

The following are the sources of energy: Energy from the sun (solar energy) Wood (fire wood) Coal Electricity Fossil fuels […]