University:
Campbell University
Course:
BIOL 111 | Basic Biology
Academic year:

2022
Views:

170

Pages:

2
Author:

Fletcher Wallace

Name: _____KEY_____ Sexual vs. Asexual Reproduction Asexual Reproduction – occurs when there is only one parent that gives rise to an offspring which has the same genetics as the parent. This occurs most often in single celled organisms, such as, bacteria and some multicellular organisms (fungi and plants). Sexual Reproduction – involves the combining of genetic information from two individuals to produce a new organism with a combination of both parent's genetics. This occurs most often in more complex organisms. Number of parents Genetic info compared to the parents Complexity of organism that uses this method Example of an organism that uses this method Asexual Reproduction 1 Sexual Reproduction 2 Same / Different Same / Different Simple / Complex Simple / Complex Bacteria Frog 2.) Complete the following chart below to answer the questions. Name Type of Reproduction (Asexual or Sexual) Binary Fission What happens? Example/Drawing One cell split into two cells Bacteria Offspring grows out of parent Planaria Parent splits or is cuts into two or more pieces, which become offspring Earthworm Sperm and egg Humans Asexual Budding Asexual Fragmentation Asexual Fertilization Sexual 1 3.) Fill in the Venn diagram comparing and contrasting Sexual and Asexual Reproduction. Have at least TWO specifics for Sexual and Asexual, and at least ONE similarity between the two. Sexual Asexual - two parents - single parent - genetically diverse offspring - all living - requires fertilization - more complex body plan - offspring genetically Identical (less diversity) things need to Reproduce - produces offspring - simpler body plan - requires at least one parent - mitosis 4.) Describe an advantage and disadvantage of asexual reproduction. __Advantage – no partner is needed.  simple  quick._______________________________________ __Disadvantage – no change in genetics (genetic diversity).____________________________________ 5.) Describe an advantage and disadvantage of sexual reproduction. __Advantage – promotes genetic diversity._______________________________________________ __Disadvantage – comparatively slow and need to find partner).________________________________ 6.) Classify the following as either Sexual or Asexual Reproduction. Give the specific type if Asexual. a.) A small piece of a cactus breaks off the plant, falls to the ground, and begins to grow. Answer – Asexual reproduction – fragmentation. b.) Pollen from a male poplar tree fertilizes sex cells on a female poplar tree. Answer – Sexual reproduction c.) Two earthworms each produce sperm and eggs and fertilize each other. Answer – Sexual reproduction d.) A flatworm is cut in half and grows into two flatworms. Answer – Asexual reproduction – fragmentation 2

Sexual VS Asexual Reproduction Worksheet

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