I believe the answer is Tar? But cigarettes contain many different types of uncommonly consumed things like battery acid and such.
Mutation causes change in an organisms DNA, resulting in a change in all aspects of the organisms life. It affects how the organism looks, and how it behaves. If there was no mutation, an organism could not change, therefore there wouldn't be evolution at all.
A conflict involving wanting to eat an ice cream sundae andd wanting to lose weight is known as an intrapersonal conflict. An intrapersonal conflict occurs within an individual and occurs in the persons mind. It involves an individual's thoughts, values, principles, beliefs and emotions. If not resolve, this conflict can lead to depression.
Answer: Let’s say a desert becomes flooded. Some species would quickly go extinct, disrupting the food web. This flood might cause new species to enter the ecosystem as well, through means such as rafting. Other species would be forced to adapt to the new environment, leading to adaptation and possibly speciation. For a time the ecosystem would not be very stable, but after a relatively short time, 10 or 20 years, the ecosystem could stabilize itself. So my conclusion is that ecosystems are relatively fluid, they can adapt to almost anything if they have enough time and the change in environment isn’t too drastic.
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