Asexual Reproduction

Question 0

binary fission

Answer 0

• used by bacteria and protists
• existing creature splits equally into two new individuals
• protists and anemones are binary fission because they have nuclei in their cells, must undergo mitosis as part of this process

Question 1

what is asexual reproduction

Answer 1

• reproduction without sex

- new individuals become identical to their parent

Question 2

budding

Answer 2

• used by yeast (single celled fungi) and some simply animals (hydra)
• similar to binary fission, but the parent organism forms a miniature copy of itself
• this bud remains attached to the parent until it is big enough to detach and become independent

Question 3

fragmentation/vegetative propagation

Answer 3

• in plants, growth occurs in areas called meristems, regions of unspecialized, rapidly growing cells
• so if a piece breaks of a plant and contains meristem, that piece may become a new individual
• that is vegetative propagation
• fungi lack meristem but reproduce in a similar way called fragmentation

Question 4

sporulation

Answer 4

• many organisms use spores to reproduce
• a spore is a tiny cell copy that can become a new individual
• spores are highly resilient and are often produced when living conditions are bad
• when living conditions improve each spore can become a new individual
• there are also sexual spores

Question 5

regeneration

Answer 5

• this is an animal ability
• re growth of lost body parts
• planarian will produce two new worms if it is cut in two
• sea stars are good at regenerating
• regeneration is a type of asexual reproduction because it can produce new individuals
• this does not mean that an animal that has regenerated has reproduced