What relationship exists between changes in the environment and variations? A. Changes in the environment cannot influence the fitness of an organism. B. Changes in the environment cannot change which traits are advantageous. C. Changes in the environment can act only on existing variations in a population. D. Changes in the environment can only cause new variations to appear.

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).

d.embryo is the correct one

answer; aerobic conditions; citric acid cycle (krebs cycle) electron transport chain;         anaerobic conditions; fermentation; both glycolysis;