Reproduction Flashcards
What is A-sexual reproduction? Give an example of an organism that reproduces this way
Offspring are genetically identical to parent: common in bacteria
When is asexual reproduction most prevalent?
In unchanging environments
Simultaneous hermaphrodite
Both sets of reproductive organs at the same time (widespread in plants and invertebrates)
Sequential hermaphrodite
Male and female reproductive parts develop at different times
Fitness cost in females vs males
Fitness cost of making a wrong choice for females is greater than that of males since there is a limited amount of eggs vs unlimited amount number of sperm
What is biological fitness?
An organism’s ability to pass its genetic material to its offspring
How to females increase fitness?
By mating with multiple males that have high genetic quality
How is male fitness increased?
By mating with lots of females
Alvin et al. says what?
That the main regulatory influence on the population of Svalbard reindeer are the gastrointestinal nematodes
