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Bio.12.1

Chapter 1 reproduction in organisms 12

OhYeah
species group of organisms capable of interbreeding and producing fertile progeny
reasons for extinction natural and anthropogenic factors
extinction the of end of a species
reproduction vital for continuation of species Can be sexual of asexual process by which an organism gives rise to offspring similar to itself.
advantages of sexual reproduction production of new variants enhancement of survival advantage
life span period from birth to natural death of an organism
life span is not related to---- size of an organism
immortal organism single celled organisms eg. bacteria
why are single celled organisms immortal they do not face natural death, at the end of life cycle they divide into two daughter cells.
cycle of reproduction organisms reproduce, offspring grows and reproduces and die.
reasons for diversity in biological world each organism has evolved its own mechanism to multiply and produce offspring
factors affecting reproduction in organisms habitat, internal physiology etc.
types of reproduction asexual-single parent, no gamete formation sexual- 2 parents, fusion of male and female gametes.
Created by: Adora
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