Answer:
Consumer
Explanation:
Producers are organisms that make their own food (plants), hosts are, well, hosts for parasites, and decomposers break down dead organisms (like mushrooms), so your answer is consumer.
Answer:
tributary
Explanation:
A tributary is a river that runs into another river.
Answer:
Bacteria
Explanation:
Bacteria such as Streptococcus thermophilus and Lactobacillus bulgaricus help curdle the milk which makes them into the cheese and yogurt we eat today.
I hope this helps! :)