2. Humans, plants and mushrooms are all alive. What do these organisms have in common?

All living things such as Humans, plants and mushrooms respire, reproduce, locomote, grow, die and decompose.

Explanation:

Since Humans, plants and mushrooms are all living things (biotic) they have following common characteristics -

a) They all are made up of cells which divide by the process of either mitosis or meiosis to grow and reproduce.

b) They all show locomotion in some way.

c) They all have certain vital tissues that are nothing but the specified cells that helps performs specific function.

d) They all die and are decomposed by microbes.

e) They all respire and need nutrition for their survival.

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.