Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. what type of animal are they? cnidarians flatworms annelids nematodes

Which law represents a balanced chemical equation?

How do the sperm cells get from the stigma to the ovules?

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals