Particle move across a membrane: A. from low concentration to high concentration
B. from high concentration to low concentration

B

Explanation: Particles Move through the membrane from a high to low concentration

thinking it would be physical characteristics

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).