An inherited trait that improves the chances of survival and reproduction for a living organism is .

Adapting

Explanation:

Adapting is when the organism slowly changes as each generation goes by because the organism more suited for the environment is going to survive and reproduce while others will have a harder time and more than likely die off.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .