Although the operation of natural selection requires that genotypes differ in fitness, for some geneticists it seems easier to understand natural selection than fitness. Partly this reflects the fact that the word “fitness” has been used to mean subtly different things. Here I distinguish among these meanings (e.g., individual versus absolute versus relative fitness) and explain how evolutionary geneticists use fitness to predict changes in the genetic composition
Answer: only one gland in the body
When plants grow towards sunlight, they __________.
A. Get smaller
<u>B. Get more light
</u>
C. Die faster
D. Live longer
Bile helps with digestion
A) To ensure that natural resources are available for future generations
