Which of the following can upset the balance of an ecosystem? too much water
not enough water
too much light
not enough light
all of the above
none of the above

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present