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Unit 4/5

TermDefinition
Asexual Reproduction One organism produces offspring without fertilization
Sexual Reproduction Two organisms produces offspring with fertilization
Vegetative Propagation Asexual:Uniform offspring grows from a part of the parent plant
Fission Asexual:Cell divides to form two genetically identical cells
Budding Asexual:A new organism grows on the body of it's parent
Regeneration Asexual:Occurs when an offspring grows from a piece of it's parent
Conifers Sexual: Produces cones
Pollination Sexual: Contain male and female parts and requires outside help from insects, animals, wind, or water
Fertilization Sexual: Union of sperm and egg, gestation time varies among species
Asexual Advantages One parent, rapid population growth, all organisms can reproduce, shorter time, less energy, and ensures survival of species
Asexual Disadvantages No genetic variation, overpopulation, diversity is limited, and any changes in the environment can wipe out a species
Sexual Advantages Unique offspring, variation of genes, and ensures the survival of species
Sexual Disadvantages Must have two organisms, fertilization must occur, and takes longer to reproduce
Absolute Age Exact age
Relative Age Age compared to a different object's age
How do Sedimentary Rocks form The sediment that forms sedimentary rocks is deposited in flat layers
How do Igneous Rocks form When magma or lava hardens
How do Metamorphic rocks form Sedimentary or igneous rock changes due to extreme pressure and/or heat
Created by: ncollier2