The answer is A: phytoplankton provides nutrients to consumers in the ecosystem.
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Ans.
Unicellular organisms are those organisms that are made up of a single cell, while multicellular organisms are made of up more than one cell. During 17th century, a scientist could distinguish between an unicellular and a multicellular organism by using simple microscope, developed by Antony Van Leeuwenhoek. In the mid-20th century and 21st Century, a scientist could make distinction between unicellular and multicellular organisms, by using advance microscopy techniques, such as electron microscopy and electron microscopy.
Answer:
Actually, habitat change affects organisms. An organism must be able to adapt to changes in the environment or move to another location, otherwise it will die. Organisms have physical and behavioral adaptations that enable them to survive in their habitat.
Explanation:
Answer:
there is no picture so I can't tell :)
Answer:
Mutualistic means that both organisms benefit.
Explanation:
The acacia tree provides shelter and food to the ants, while the ants protect the tree from other animals.