Which of the following is the best example of how factors within a person's environment can influence their personal health? a. eating too much sugar increasing a person's risk of diabetes b. regular exercise decreasing a person's cholesterol c. a person's genetics increasing their risk of a heart attack d. exposure to certain chemicals increasing the risk of cancer

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).