Answer: Mycorrhiza
Explanation: Mycorrhiza is a symbiotic relationship between a plant and a fungi. Nearly 80 percent of all plants with root systems participate in this mutualistic relationship. In mycorrhiza, the fungus forms a haustoria that penetrates the cell walls of the plant's roots. The fungus absorbs all the nutrients from the roots as they are transported to the plant. In return, the fungus gives the plant necessary chemicals and minerals that it cannot properly reach on its own.
Answer:
The amount of people per square mile or kilometer of land; also called arithmetic density.
Answer:
True
Explanation:
Earth produces an magnetic force due to chemicals in the core.
An ecosystem is <span>a biological community of interacting organisms and their physical environment.</span>
The organism (Living thing), utilizes energy, can detect changes in the environment it is in, and can rearrange and synthesize chemical compounds.
Some things to remember, Living organisms need to be able to reproduce, obtain energy, usually by eating food in order to work. They need the ability to maintain structure, a body. They need to be able to react to a change, whether it be external or internal. The organism must be able to dispose of waste. Needs the ability to grow and develop. Must be able to move. and finally death. <span />