TEST Yourself
4.
5.
A. Fill in the blanks with suitable words.
1. Each level of organisation is
than
the lower one.
2. Energy transfer takes place in an ecosystem
through___
3
tissue forms covering of body.

Advanced,

Decomposers, producers, consumers

Skin

Explanation:

Decomposers are primary energy source by decomposing matter, this energy is released to the soil for plants absorb it to manufacture their food through photosynthesis and these food are consumed by man who gains energy in the process.

Higher layers should have more complex features than lower layers.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.