Answer:
Charles Darwin had a theory that states that evolution happens by natural selection. Individuals in a species show variation in physical characteristics. ... As a consequence those individuals most suited to their environment survive and, given enough time, the species will gradually evolve.
Explanation:
d. Viruses is your answer
Water's polarity can be responsible for many of it's properties including it's attractiveness to other molecules. Water molecules attract one another based on the attraction between the positive end of one water molecule and the negative end of the other. Also the unequal sharing of electrons gives the molecules a slight negative charge near it's oxygen atom and a slight positive charge in it's hydrogen molecule.
Answer:
clean
Explanation:
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<span>This first thing you need is water and sunlight, this is important for almost every ecosystem, including, to a certain degree, low light ecosystems such as caves. Secondly you require phototrophs, things that obtain energy directly from the sun, typically plant life. Secondly, other living organisms that feed off the phototrophs, and then organisms that feed off the herbivores.</span>
