1.) In 2-3 sentences , summarize how variation impacts natural selection. 2.) Which of the following is an example of an adaptation?
A.) Different shaped shells
B.) Break shape
C.) Different body size among the same species
D.) Overproduction
E.) All the above
F.) None of the above
G.) Both A and B
H.) Both B and C

3.) In 5-7 sentences, briefly define evolution and natural selection.

4.) How is artificial selection different from natural selection? Select the best answer from the choices below.

A.) In artificial selection, animals that are more likely to survive reproduce.
B.) In artificial selection, members of a species must compete to survive.
C.) In natural selection, people impact which traits are passed on
D.) In artificial selection, humans choose which organisms reproduce.

5.) A fossil that is characteristic of a particular span of geological time or a specific environment is called a(n).
A.) Index fossil
B.) Cast fossil
C.) Petrified fossil
D.) Mold fossil

6.) In 3-5 sentences, explain why and how scientists created the geological time scale.

7.)In 3-5 sentences, define the Law of Superstition(2) and analyze how this law helps scientists determine the age of rocks and fossils.

8.) In 3-5 sentences, define adaptation(2) and explain how adaptations promote survival of a species.

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explanation:

ok

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

why many students visually perceive stem as a vapid class?

for many students, however, stem subjects are optically discerned as vapid, tedious, and destitute of authentic-world applications. science and math have always been a major part of the high school curriculum, but many students have disengaged from these subjects because they don’t optically discern that they have any pertinence to the authentic world or students’ daily lives. for them, math and science have become a set of rules, procedures, laws, theorems, and formulas to memorize. some students even develop math apprehensiveness and cerebrate they are incapable of learning higher-level mathematics.

why is stem paramount?

as the u.s. economy changes, the ordinant dictation for stem-capable workers is growing. in may of 2014, the u.s. bureau of labor statistics counted more than 8.3 million stem jobs, which accounted for 6.2 percent of total employment in the cumulated states. that number is expected to perpetuate to increment as u.s. companies grow and innovate to compete in the ecumenical economy. according to the u.s. department of labor, the average salary for all stem jobs is $85,570, which is virtually double the average salary for all jobs.

many people still envision stem professionals as wearing a white lab coat and conducting research in a laboratory. in authenticity, some of the most in-demand stem fields are petroleum engineering, process engineering, and computer engineering. these fields that are experiencing shortages of qualified candidates are additionally among the highest paying, with the average petroleum engineer earning an annual salary of $147,520 in may 2014 according to the u.s. bureau of labor statistics.

in additament, stem subjects edify students valuable skills that are vital for prosperity in all vocations, even those that do not directly require stem erudition. engagement in stem subjects avails students develop quandary-solving, critical mentally conceiving, and leadership skills. these skills are so ecumenical, in fact, that statistics relinquished in the summer of 2013 by the u.s. census bureau designated that about three-quarters of the people with a bachelor’s degree in stem fields are not working in those vocations. many non-stem employers are poaching stem-qualified job candidates because they are more ingenious and collaborative than their non-stem counterparts.

as the ecumenical economy perpetuates to evolve, the desideratum for stem-capable workers will perpetuate to grow. by getting edifiers and students involved in the stem kineticism, an incipient generation of adroit workers will be poised to energize and expand this exhilarating field.

check this over.

b. to discover aspects of the natural world.

hopefully i .