It's C parasitism
for example tape worms are segmented flat worms that attach themselves to the inside of the intestine.They get food by eating the hosts of nutrients.While say the cow or pig get a disease,
In biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions. Spores form part of the life cycles of many bacteria, plants, algae, fungi and some protozoa
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.
