Stratum basale epidermidis. Definition. noun. Latin term for basal cell layer of epidermis, the innermost layer composed of basal cells that lies at the base of the epidermis or above the dermis.Supplement. The cells of this layer are actively dividing to provide new cells to replenish lost skin from normal shedding.tratum basale epidermidis. Definition. noun. Latin term for basal cell layer of epidermis, the innermost layer composed of basal cells that lies at the base of the epidermis or above the dermis.
Lichens Contribute to Soil Formation. Lichens thrive in undisturbed sites where nothing else will grow. They grow on rocks, barren soil and the bark of dead or live trees. Lichens are not parasitic when they grow on trees, they just use the tree bark as a home. They enrich the soil by trapping water, dust and silt. When lichens die they contribute organic matter to the soil, improving the soil so that other plants can grow there. Lichens Fix Nitrogen
Ecological Importance. Ants play an important role in the environment. Ants turn and aerate the soil, allowing water and oxygen to reach plant roots. Ants take seeds down into their tunnel to eat the nutritious elaiosomes that are part of the seed.These seeds often sprout and grow new plants (seed dispersal).Ants eat a wide variety of organic material and provide food for many different organisms.nts take seeds down into their tunnel to eat the nutritious elaiosomes that are part of the seed. These seeds often sprout and grow new plants (seed dispersal). Ants eat a wide variety of organic material and provide food for many different organisms.