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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
Name the stages if Mitosis?	Prophase, Metaphase, Anaphase, Telophase, and cytokinesis
Name the stage that occurs before Mitosis during the cell cycle in which cell organelles are replicated?	Interphase
What is the function of Mitosis?	Growth and Repair
What is the function of Meiosis?	To produce gametes (sex cells)
Name the two human gametes?	Sperm and Ovum (Egg)
How many chromosomes does a human diploid cell have?	46 (or 23 pairs)
How many chromosomes does a human haploid cell have?	23
Define genetic variation?	Differences among individuals in the composition of their genome
Define mutation?	A change in an organisms DNA sequence
Name 3 factors that can increase the likelihood of a mutation?	Radiation, UV light, and Exposure to X-Rays
Define Cancer?	Uncontrolled Cell Division
Name 3 things caused by genetic/inherited variation?	Blood Type, Skin Colour, Eye Colour
Who came up with the idea of evolution by natural selection?	Charles Darwin
Define Natural Selection (survival of the fittest)?	Those organisms best adapted to their environment are more likely to survive, breed and pass their desirable characteristics onto their offspring
What causes evolution by natural selection?	Competition for resources
Name the 3 human fossil remains in order of age (oldest to newest) that provide evidence for the theory of evolution by natural selection?	Ardi, Lucy, Turkana Boy
How do bacteria provide evidence for evolution by natural selection?	The development of antibiotic resistance
What are the 8 levels of classification?	Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species
Define Species?	Animals that can breed to produce fertile offspring
By which scientific process are two organisms bred together due to their desirable traits with the intention that the offspring inherits these traits over many generations?	Selective Breeding