A population of frogs in a pond began with 67 individuals. Over one year, the population changed to 53. Which are two possible reasons for the change within the frog population?

emigration or increase in death rate
emigration or increase in birth rate
immigration or decrease in death rate
immigration or increase in birth rate

PLZ HURR 20 POINTS

A. emigration or increase in death rate

Explanation:

i just took the test and got it rigt lol

creative diagnostics is a professional biological commercial company,specializing inassisting clients with t cell differentiationstudies.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.