I would think A I’m not sure
Answer:
All the organisms of one kind in an ecosystem are called a population. For example, a pond ecosystem might have populations of frogs, waterlilies, insects, duckweed, and protists. Populations living and interacting with each other form a community.
Explanation:
Answer:
Direct contact.
Explanation:
Since it was spread through facial tissue, physical contact is needed.
Hope this helps! :)