Answer:
1. They can form close symbiotic relationships with plants that are required for productive growth of the plant.
2. Fungi produce a vast array of metabolic compounds including hallucinogens.
3. They can be vicious plant pathogens and can kill plants.
4. Fungi can be pathogens of animals and can kill them
Explanation: fungi are very important to man and our ecosystem. It serves as a biological insecticide to control pest. Fungi are mainy organism that causes disease to humans and destroys our agricultural crops, it is still useful to the agricultural sector because they and their activities enriches the soil.
All statements are true except that the fungi should be considered as non-essential to life on earth.
In fungi, it creates a symbiotic relationship with the plants also provides benefits to both of them. The fungi lead to serious health problems to animals so we called them pathogenic fungi. The metabolites of fungi should be vital to us. Many of the fungi should be growing on the dead organic matter and absorb nutrients from it. Also, the fungi could invade and harm the plants.
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