Adichotomous key is based on the physical appearance of an organism. which of the following can be used in a dichotomous key?
a the stripes on a specife type of fish
b. the genotype of a bear
g. the evolutionary history of termites
d. the circulatory system of a frog

Which of the following is a common danger of commercial fishing?

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)