Answer:
TRUE
Explanation:
No biological system is completely closed.
A nutrient cycle is the movement and exchange of both organic and inorganic matter back into the production of matter. This cycle is a recycling system which always occurs no matter what.
In a system that looks closed (closed loop), nutrients may be limited because they are not cycled through the system fast enough and/or it is not possible to compensate for deficiencies by migration.
Answer:
The garden.
Explanation:
There is more organisms doing photosynthesis(the process turning sunlight, water, and carbon dioxide into energy and oxygen) in the garden because there are more plants in the area.
Genetic variation<span> occurs </span>mainly<span> through DNA mutation, gene flow (movement of genes from one population to another) and sexual reproduction</span>
Answer:
A hamster is a primary consumer because it feeds on primary producers (plants).
Answer: plate boundary zones
Explanation: