The answer to this is Tissue.
Answer: how changes in biodiversity impact an ecosystem
Explanation:
Water hyacinth is an invasive special that is introduced to an environment. It spread rapidly and causes enough damage to bother human,economy and environment.
Hyacinth pollutes the water causing a decrease in oxygen level and other nutrients like passport and nitrogen and it lead to high concentration of heavy metals and contaminant.
It can blankets the ocean causing a decrease in photosynthesis, boat trafficking, swimming and movement of organism in water bodies. It demostrates how changes in biodiversity impact an ecosystem.
The answer is D) Split water molecules
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No rats cannot pass on memories to their offspring about a particular maze. Such inheritance has not been proven and doesn't seem to exist. Neither does any biological theory or idea at the moment account for such a thing as passing on memories.