100% correct answers
how many species live in planet Earth? - correct answer ✔✔unknown-roughly 3 to 5 million
why is life so incredibly diverse, yet so strangely similar? - correct 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? - correct answer ✔✔
true or false: scientists believe in evolution even though they currently lack evidence for the theory -
correct answer ✔✔false
true or false: opposition to irrational numbers was based on evidence that such numbers cannot exist -
correct answer ✔✔false
true or false: opposition to irrational numbers stemmed from a worldview involving naturalistic
evolution - correct answer ✔✔false
true or false: the belief that irrational numbers cannot exist reflects religion more than science - correct
answer ✔✔true
true or false: modern mathematicians accept irrational numbers because such numbers provide more
accurate solutions to problems than whole numbers do - correct answer ✔✔true
the scientific method relies on.... - correct answer ✔✔models, observations, and experiments
a model is a formal description of a scientific hypothesis. which provides the most precise description of
a hypothesis? - correct answer ✔✔
, true or false: an experiment enables one to demonstrate that a correlation between two variables
results from cause and effect - correct answer ✔✔true
a well designed experiment... - correct 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 - correct answer ✔✔false
true or false: Wallace used induction to develop a model of evolution by natural selection - correct
answer ✔✔true
unlike Wallace, Darwin's conceived his theory of evolution without observing species living on islands -
correct answer ✔✔false
true or false: both Darwin and Wallace must have assumed that differences among individuals were
passed onto their offspring - correct answer ✔✔true
true or false: similar to Wallace, Darwin conceived a theory of evolution by natural selection while
voyaging around the world - correct answer ✔✔false
true or false: both Wallace and Darwin adopted a worldview described as either naturalistic evolution or
theistic evolutions - correct answer ✔✔true
true or false: a probability of 0.98 means that an event occurs rarely - correct answer ✔✔false
true or false: when a parent is heterozygous, the probability of passing the dominant allele to its
offspring is 25% - correct answer ✔✔false
true or false: when both parents are heterozygous (Aa), the probability of an offspring being
homozygous recessive (aa) equals 0.25 - correct answer ✔✔true