The mechanism which protects the cell's internal structure from external environmental forces is: A dynamic equilibrium
B Selective Permeability
C Passive Absorption
D Osmotic balance

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources

Do fish feel pain? and if they do what pain