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I had this question on a previous exam. The answer is: 'a predator eats one phenotype rather than another for a year.'
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- Hannah ❤
Mutations occur when DNA makes a mistake in cell division. This could change the appearance and other disorders of a person. An example would be sickle cell anemia.
Weather : too cold or too hot due to climate change
Habitat can be destroyed due to natural phenomenon
Prey cut off by physical barrier
Lack of water
Human blood type is not governed by a simple dominant or recessive inheritance pattern. so false
Correct answer: B) Production of gametes and hormones
The male reproductive system include a number of sex organs that play an important role in the human reproduction. All the male organ are located either on the outside of the body or within the pelvic region.
Male reproductive system includes external genital organs and internal genital organs . The external genital organs consists of penis, scrotum and internal genital organs include epididysis, accessory gland and vas deferens .
The main function of male reproductive system is the production and secretion of male sex hormones like testosterone which is required to maintain male reproductive system. It help in the production and transportation of sperm and discharge them in to the female reproductive system at the time of intercourse.
