Flatworm get most of their oxygen through diffusion.
Answer:
C. It is coiled into a genophore, but not inside a nucleus.
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Answer;
Gold
Gold is a non renewable resource.
Explanation;
Non renewable resources are those resources of economic value that can not be readily replaced by natural means on a level that is equivalent to its consumption.
Examples of non renewable resources include; fossil fuels such as oil, natural gas and coal; because their source is not sustainable.
The disadvantages of the pyramid of productivity as a representation: The rate of biomass production of an organism is required, which involves measuring growth and reproduction through time. There is still the difficulty of assigning the organisms to a specific trophic level.
The structure that serves as the cell's boundaries from its environment is known as the CELL MEMBRANE. It keeps the bad things from coming in, and releases waste out into the environment.
<span>Answer: cell membrane</span>
