Answer:
Its based the organism's observable traits
Pasteur reasoned the factor that made the bacteria less deadly was exposure to oxygen. The discovery of the chicken cholera vaccine by Louis Pasteur revolutionized work in infectious diseases and can be considered the birth of immunology.
When it is ordered by the doctor. The only reason to take an anabolic steroid is to follow a doctors order. Anabolic steroids can lead to serious health problems like infertility, liver cancer, paranoia, heart disease, and increased cholesterol.
Answer: Soil is the earthworm's habitat.
Explanation: The worm gets the food from the soil and also lives in to soil, that is the basic living needs for a habitat.
Answer:A. decomposers
Explanation: A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death.
