Answer:
Evolution occurs due to change in the characteristics of life.
Explanation:
The shared characteristics of life provide evidence for evolution. These shared characteristics are reproduction, homeostasis, heredity, growth, development and adaptation which occurs through evolution. The evolution mainly occurs due to changing environmental conditions. Some sea organisms such as whales evolve from land animals having four legs through the process of evolution. The environment of sea is responsible for the formation of gills and other body structure in order to survive in the water.
A behavior must affect an organisms fitness and have a genetic basis.
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Answer:
Amoebalike protists, flagellates, ciliates, and spore-forming protists.
Explanation:
Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most, but not all, protists are single-celled. Other than these features, they have very little in common. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi.
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