Human Biology chapter 2

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minders
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258082
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Human Biology chapter 2
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2014-01-23 14:38:19
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  1. What makes Earth so
    unique?
    The diversity of life it supports
  2. What(is(made(up(of
    atoms(and(has(mass?((It
    is(the(substance(which
    makes(up(all(physical
    objects?
    Matter
  3. What(phenomenon
    resulted(in(the
    formation(of(the(Dirst
    three(elements(of(the
    periodic(table?
    The Big Bang
  4. What(phenomenon
    formed(the(majority(of
    the(elements(in(the
    periodic(table?
    nuclear(fusion(within(stars
  5. What(phenomena
    allows(heavier(elements
    to(become(available(to
    form(various(celestial
    bodies(such(as(planets?
    Nova and Supernova
  6. This(is(a(simple
    definition(of(what:((the
    ability(to(do(work?
    Energy
  7. What(source(of(energy
    makes(energy(available
    to(life(on(the(Earth?
    nuclear fusion within the sun
  8. How(is(energy(released
    from(the(matter(making
    up(the(sun?
    • During(nuclear(fusion,(hydrogen(atoms(are
    • squeezed(together(creating(helium(and(releasing
    • energy.
  9. What(law(of(physics
    states(that(energy(can
    be(neither(created(nor
    destroyed,(but(it(can(be
    transformed(from(one
    form(to(another?
    the(1st(law(of(thermodynamics
  10. What(law(of(physics
    states(that(the(entropy
    (thermal(energy,(the
    amount(of(energy
    available(to(do(work)
    will(2low(from(areas
    with(higher(thermal
    energy(to(areas(of(lower
    thermal(energy(thus
    the(2nd(law(of(thermodynamics
  11. What(is(the
    thermodynamic
    quantity(representing
    the(unavailability(of(a
    system’s(thermal
    energy(for(conversion
    into(mechanical(work?
    This(is(often(interpreted
    as(the(degree(of
    entrophy
  12. What(happens(to(matter
    as(it(is(used(in(the(living
    systems(of(the(Earth?
    It is recycled
  13. What(happens(to(energy
    as(it(is(used(by(living
    systems(on(Earth?
    • It(flows(through(systems(and(cannot(be(reused(by
    • them.
  14. Scientific(evidence
    shows(that(Earth(is(how
    old?
    4.5(billion(years(old
  15. The(distance(that(the
    Earth(lies(from(the(Sun
    is(within(what(zone(that
    few(exoplanets(occur
    within?
    the(Goldilocks(or(habitable(zone
  16. What)galaxy)does)the
    Earth)lie)within?
    Milky)Way)Galaxy
  17. What)is)the)variety)of
    organisms)considered
    at)all)taxonomic)levels
    as)well)as)the
    ecosystems)which)they
    are)a)part)of?
    biodiversity
  18. What)part)of)the)Earth
    protects)life)from)UV)light,
    plays)an)important)role)in
    the)hydrological)cycle,)brings
    about)the)greenhouse)effect,
    and)provides)oxygen)which
    makes)more)complex)forms
    of)life)possible?
    the atmosphere
  19. What)process)brought
    about)the)formation)of
    life)on)Earth?
    chemical)evolution)which)is)also)know)as)organic evolution
  20. What)process)brought
    about)and)continues)to
    bring)about)new)species
    on)the)Earth?
    biological)evolution
  21. What(is(the(background
    rate(of(extinction
    known(from(the(fossil
    record?
    10-100(species(per(year
  22. What(is(the(current(rate
    of(extinction(based(on
    the(loss(of(tropical
    forest(per(year?
    27,000 species per year
  23. The(seasons(of(the(year
    on(Earth(are(the(result
    of(what?
    the(23.5(degree(tilt(of(the(Earth’s(rotational(axis(in relation(to(the(direction(of(its(orbit
  24. The(23.5(degree(tilt(of
    the(Earth’s(rotational
    axis(in(relation(to(the
    direction(of(its(orbit
    results(in(what
    important(characteristic
    of(the(Earth?
    the seasons

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