Answer:
Vestigial structures
Explanation:
Vestigial structures serve little or no purpose for an organism. An example being the human tailbone which at one point might have been a tail, but serves no real purpose now since we're bipedal organisms
Answer:
Its how you see it.
Explanation:
1.Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.
2.All life on earth <em><u>can be thought</u></em> of as "carbon-based." Just be careful about turning this around backwards. It is true that all living things contain carbon compounds... but the opposite is not true. Just because a certain material is referred to as organic does not mean it is or ever was alive.
Answer:
All options are correct.
Explanation:
The scientific experiments require proper procedure and experimental set up to perform the experiments. The results and observation was used for the interpretation of the experiment.
The experiments include both the dependent variable, independent variable control and set-up. Here, Shutle used the adult oyster and reef types as dependent and independent variable. Reefs are used as treatments and Oyster density changes and included in the category of density dependent variable.
Thus, all given options are correct.
Hurricanes are a part of the natural disturbances in our ecosystems. Recent incidences of hurricanes are caused mostly by human activities because if the slow degradation of water quality. Most of the human waste found in water pollute the environment which results to extensive transformation of water basins and totally alter the ecosystems overall functions
