Two plants can be conclusively said to belong to the same species if they:
Correct answer: D. Can reproduce freely with each other and form seeds
- A. Have more than 90 percent similar genes
- B. Look similar and possess identical secondary metabolites
- C. Have same number of chromosomes
- D. Can reproduce freely with each other and form seeds
Explanation
Plants of the same species can be conclusively identified when they can reproduce freely with each other and produce viable offspring (seeds). This is the most definitive criterion for species classification because it indicates genetic compatibility and shared ancestry.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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