Answer:
C. The nations of the world have finally come to some agreement on why and ... Ecosystems are open systems through which energy flows and materials are cycled ... In detrital food webs it flows mainly from plants through decomposers and detritivores ... In the atmospheric cycles, elements can move in the gaseous phase
Explanation:
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Substitution causes sickle-cell anemia.
<span>the microscope that Anton van Leeuwenhoek use to observe single-celled organisms is : a very simple microscope, which is the type of microscope that only has one lens.
Anton van leeuwenhoek conducted his studies in the 1600s. During that time period, we haven't developed any type of high-end microscope that exist today</span>
Answer:
There are two types of passive transport, you have diffusion and facilitated diffusion. Another one could be osmosis which is diffusion of water molecules.
Explanation:
Diffusion is solute passing through the membrane from a higher concentration to a lower concentration until it reaches equalibrium. Osmosis is the same as diffusion only it passes water molecules and it uses aquaporins which is a structure in the membrane to help the water pass. Finally you have facilitated diffusion that uses protiens for diffusions but still not using energy and that is why it is passive transport. The type of substance that can be transported are molecules with no charge or non-polar molecules. Lmk if this helps. Sorry in advance if the answer is not clear to understand.
