2. Which of the following best characterizes natural selection?
a. survival of the biggest and strongest organism in a population
b. elimination of the smallest organism by the biggest organism
c. survival and reproduction of the organism that occupies the largest area
d. survival and reproduction of the organisms that are genetically best adapted to the environment.

Which part of cellular respiration must occur before any of the other steps can occur

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

Ahuman female has a special pair of chromosomes that are represented by the letters a) xx. b) xy. c) yy. d) xz.