Answer:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.
Explanation:
When trying to figure out the outcome of an experiment that you don't fully understand or can't find out what the result would be beforehand.
they have cell walls composed of cellulose and motile spores with two flagella
Mammals are relatively complex and intelligent animals.
They give birth to live offspring, have hair or fur on their bodies, and possess mammary glands that produce milk for their young. They breath air with lungs and have ears that stick out instead of the earholes, such as what reptiles and birds have.