Cómo viajan las especies invasoras o se propagan a un ecosistema diferente? ( dar un ejemplo por favor )

The use of dna as evidence in criminal investigations became possible because of the

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.