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a system of support in soft-bodied animals, which relies on pressure of fluids in the body cavity.
the complete set of alleles (different forms of genes) making up the genetic material of a...
an inorganic compound with the formula KOH, commonly called caustic potash. It can be used to...
long threads of genetic material (DNA and histone) found in the nucleus of a non-dividing cell...
many-celled, complex organisms with cell differentiation and specialised tissues performing life...
the dramatic increase in the human population growth rate over the past two centuries.