When a cell is metabolically active it means there are a series of enzyme-catalysed reactions occuring in the cell (metabollic pathway) that determine the nutrients to be used for production of energy. The more metabolically active a cell is the more proteins its membrane contain while the less active a cell is the more fats its membrane contains.
Answer:
decomposer decomposes :) so it breaks down the organic matter into simpler compounds. it's very important process because complex compounds that build living organisms are not absorbable for other organisms, thus chemical cycling wouldn't be possible and the whole ecosystem would shut down. dead plants and animals would be everywhere and new organisms couldn't be born/grown. mold breaks down dead organic matter like dead trees. as the result simple compounds come into existence and can be assimilated by plants
Answer:
D
Explanation:
Their bodies consist of mesoglea, a non-living jelly-like substance, sandwiched between two layers of epithelium that are mostly one cell thick
