Lichens are symbiotic associations of fungi and .

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

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a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?