Biology
Which statement describes decomposers?

Decomposers can produce their own source of energy and can sometimes act as primary producers
Decomposers are those organisms that recycle matter in the ecosystem
Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
All listed here

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Biology
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

You need an antiseptic, not an antibiotic
You are infected by a virus
You need to be vaccinated instead of taking an antibiotic
Having waited a day, it is too late to take an antibiotic

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