ANSWERS WITH SOLUTIONS 2024
how many species live in planet Earth? - ANSWER unknown-roughly 3 to 5 million
why is life so incredibly diverse, yet so strangely similar? - ANSWER organisms can contain similar
features. planes have wings, birds have wings-this feature is useful for different things (different for
penguins, pelicans, bats, eagles)
true or false: biodiversity on earth will likely decrease in the near future? - ANSWER
true or false: scientists believe in evolution even though they currently lack evidence for the theory -
ANSWER false
true or false: opposition to irrational numbers was based on evidence that such numbers cannot exist -
ANSWER false
true or false: opposition to irrational numbers stemmed from a worldview involving naturalistic
evolution - ANSWER false
true or false: the belief that irrational numbers cannot exist reflects religion more than science -
ANSWER true
true or false: modern mathematicians accept irrational numbers because such numbers provide more
accurate solutions to problems than whole numbers do - ANSWER true
the scientific method relies on.... - ANSWER models, observations, and experiments
a model is a formal description of a scientific hypothesis. which provides the most precise description of
a hypothesis? - ANSWER
, true or false: an experiment enables one to demonstrate that a correlation between two variables
results from cause and effect - ANSWER true
a well designed experiment... - ANSWER controls for environmental and genetic factors, involves
replications of experimental subjects, and randomizes experimental subject among treatments
true or false: unlike Wallace, Darwin did not believe that natural selection required variation among
individuals - ANSWER false
true or false: Wallace used induction to develop a model of evolution by natural selection - ANSWER true
unlike Wallace, Darwin's conceived his theory of evolution without observing species living on islands -
ANSWER false
true or false: both Darwin and Wallace must have assumed that differences among individuals were
passed onto their offspring - ANSWER true
true or false: similar to Wallace, Darwin conceived a theory of evolution by natural selection while
voyaging around the world - ANSWER false
true or false: both Wallace and Darwin adopted a worldview described as either naturalistic evolution or
theistic evolutions - ANSWER true
true or false: a probability of 0.98 means that an event occurs rarely - ANSWER false
true or false: when a parent is heterozygous, the probability of passing the dominant allele to its
offspring is 25% - ANSWER false
true or false: when both parents are heterozygous (Aa), the probability of an offspring being
homozygous recessive (aa) equals 0.25 - ANSWER true