Answer:
All living organisms reproduce sexually
Explanation:
Not all living organism reproduce sexually. Plant and animal are also living organism but not all plants reproduces sexually. We have sexual and asexual reproduction in plant
Plant reproduce sexually through the fusion of male and female gametes followed by fertilization to produce an offspring. Offspring produce through sexual reproduction have both maternal and paternal makeup.
Asexual reproduction includes binary fission, budding, grafting. It is the production of the exact kind of the parent plant, it does not require fertilization and the parents and the progeny are 100% identical.
The tibia (shin bone) is in gact the second longest bone in the human body. ;)
Answer:
Eye color depends upon the amount of melanin pigment in the eye.
Explanation:
- Melanin is a brown pigment that is responsible of eye color in the iris.
- The genes are located next to the OCA2 gene.
- When the amount of melanin is in less amount in the iris, it causes change in eye color that may be grey, hazel or blue.
- But when the quantity of melanin is very least,it causes blue color in the iris.
- Blue color is also caused by genetic mutation in an individual.
I believe it is the 'negative feedback mechanism'
Hope this answers your question.
