Natural selection acts directly on ? alleles ,genes, phenotypes, or mutations

Directly on phenotypes, this can then alter genes and alleles, but phenotypes are the only DIRECTLY influenced part of the organism.

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature

Mainly foods arelike 1. french fries.2. cheese 3..dark chocolates 4. nuts . 5. chia ✌✌