Felis catus sylvilagus audubonii parus inornatus euarctos americanus check out the list of scientific names. these names all represent animals. these are all animals but they cannot reproduce to produce fertile offspring with each other. what conclusion can be drawn from that last statement?

The conclusion that can be drawn from the last statement is that ALL THE ANIMALS LISTED ABOVE ARE HYBRID ANIMALS.
Hybrid animals are those animals that are produce from the interbreeding of two animals that are of different species but which come from the same genus. Hybrid animals can not produce fertile offspring because they do not possess viable sex cells, that is, they do not have the capacity to reproduce sperms or eggs. 

2hydrogen and 1 covalent

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.