3. What characteristics do unicellular organisms share with multicellular organisms, such as insects, birds, squirrels, and humans? *

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Variety of living organisms; includes genetic, species, and ecological types.