PREMIUM LOGIN

ClassTools Premium membership gives access to all templates, no advertisements, personal branding and other benefits!

Username:    
Password:    
Submit Cancel

 

Not a member? JOIN NOW!  

QR Challenge: Biology

QuestionAnswer
What is a pioneer species?Species that break down rocks to create soil in primary ecological succession
What are the three types of dispersion?Random, clumped, and uniform
What is carrying capacity?The maximum amount of organisms an ecosystem can sustain
True or False: As one moves away from the equator, species diversity increases.False
What is habitat fragmentation?When an ecosystem is cut into smaller pieces.
How many chromosomes does each parent contribute to their offspring?23
True or False: Crossing over occurs more frequently between genes that are close together.False
Give an example of homozygous dominant gene.AA
Give an example of a heterozygous dominant gene.Aa
What is a Barr body?Condensed, inactivated X chromosome
What is a half-life?How long it takes for half of a sample to decay
True or False: Earth's early atmosphere contained oxygen.False
What is mass extinction?When a large population dies
What is a carrier?An individual who carries a gene, but does not express the gene.
Name two types of fossils.Trace, mold, cast, petrified, or amber
What is radioactive dating?The use of radioactive isotopes to determine how old a sample is
Which theory explains the origins of mitochondria and chloroplasts?Endosymbiont theory

Back