B. Protista
Bcoz in kingdom protista
Euglenoids and slime moulds are present - having characteristics of both plants and animals..
And protozoans are also present-primituve relatives of animals.
Answer:
A oxidation reactions are usually irreversible and form new product
and burn up
I would say D because it involves more selection but if that one is wrong it is most likely B. But I would go with D
Organisms with hard parts such as a shell,or bones are much more likely to become fossilized than animals with soft parts like a worms.
