The food chain, just from common knowledge, would be
fruit trees, birds, monkeys, tigers.
The fruit trees cannot prey on anything. The birds eat the fruit, the monkeys can catch birds and eat them, and the tigers can eat the monkeys.
Explanation:
When yeasts eat sugar and turn it into energy, they also produce carbon dioxide.
Explanation:
you must add activation energy to initially break the chemical bonds. Catalysts simply lower the activation energy needed to do the chemical reaction going. reactions to occur without themselves being used up in the reaction. Energy is usually needed to break the bonds and get the reaction going.
<span>A retrovirus is anything of a group of RNA viruses that insert a DNA copy of their genome into the host cell to replicate.
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When organisms mate without human interference, it is called natural selection.