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Birds ride on top of an elephants head and back. What type of relationship MOST LIKELY exists between the birds and the elephant?
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
CO2 is NOT returned to the atmosphere by ____________.
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
A species of rabbit lives in a meadow where grass plants are readily available during summer months. One summer, a fire destroys the plants in the meadow, the rabbit population will probably ________________
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
Based on the pyramid in your study guide, which organism(s) provide the MOST available energy?
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively called ______ while organisms that recycle the nutrients trapped in dead organisms are collectively called _______.
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
Lichens are responsible for _________, or the establishment of a new site for plant growth.
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
The main source of energy for our planet is/are
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
Humans and bacteria live in a close relationship with one another. The bacteria that dwell in the human large intestine helps to complete the digestive process. The organism gains nutrients and protection in our intestine. The relationship is ___.
the sun.
Pytoplankton and bacteria
primary succession
producers; decomposers.
mutualism.
mutualism
decrease in size.
photosynthesis.
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