Biologia sexto

7/23/2019 Biologia sexto

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2. Los PORFEROS, CELENTREOS, PLATELMINTOS y NEMTODOS


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3.

4. Introdu!"n# Los no ru$!%nt&s son todos %'u&((os 'u& t!&n&n&st"$%)o s!$*(&.# D!+os %n!$%(&s t!&n&n d!st!nt%s or$%s d&%(!$&nt%rs&, onsu$&n -%r!%s (%s&s d& %(!$&ntos y t%$!/n d!&r&nt&sor$%s d& $%st!%r y (% d!)&st!"n t%$!/n -%r0%.# L% un!"n &s*ro*or!on%r %( or)%n!s$o todos (os nutr!&nt&s n&&s%r!os *%r% r&%(!1%rsus un!on&s -!t%(&s, t%nto d& $%nt&n!$!&nto o$o d& r&!$!&nto,r&*rodu!"n y *rodu!"n.# Entr& (%s &s*&!&s do$/st!%s t&n&$os&'u!no, %n!nos, su!nos, &(!nos y $onos.


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. L% $%yor0% d& (os %n!$%(&s, !n(uy&ndo $u+os !n-&rt&r%dos y todos(os -&rt&r%dos *os&&n un s!st&$% d!)&st!-o o$*(&to, 'u& s& &t!&nd&&ntr& dos %&rtur%s (% o% *or (% u%( &ntr% &( %(!$&nto y &( %no *or &(u%( son &(!$!n%dos (os d&s&+os. En &st& t!*o d& s!st&$% d!)&st!-o &(

%(!$&nto s& $u&-& &n un% so(% d!r&!"n. 5%y r&)!on&s &s*&!%(!1%d%s&n r&%(!1%r (% d!)&st!"n d& (os %(!$&ntos, (% %sor!"n d& (os nutr!&nt&s y(% d!)&st!"n d& (os d&s&+os, %u$&nt%ndo %s0 (% d&6!&n!% &n %d%&t%*%.Por &st% $!s$% r%1"n, (os %n!$%(&s on s!st&$%s d!)&st!-os o$*(&tos*u&d&n !n)&r!r nu&-os %(!$&ntos %7n %nt&s d& 'u& (% o$!d% +%y% s!doo$*(&t%$&nt& !n)&r!d%.

8. L%$%yor0% d& (os Cn!d%r!os son %rn!&ros 'u& s& nutr&n d& *(%nton,*roto1o%r!os y *&'u&9os *&&s. C%*tur%n & !n$o-!(!1%n % sus *r&s%s on(% %yud% d& (os n!do(%stos ont!&n&n to!n%s 'u& *%r%(!1%n % (%s

*r&s%s. L% *r&s% &s tr%ns*ort%d% +%st% (% o% on (% %yud% d& (ost&nt:u(os.


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;. Son %rn0-oros


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B.

. L%s %r%9%sson

d&*r&d%dor%s. S& %(!$&nt%n d& *r&s%s s!n)u(%r&s 'u& %*tur%n%t!-%$&nt&. A()un%s *rodu&n un% r&d


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Crust:&os s& %(!$&nt%n d& (os $!roor)%n!s$os y d&tr!tos 'u& &st%nsus*&nd!dos &n &( %)u%

2. ( %*%r%to u%( $%st!%dor &s &( $:s *r!$!t!-o y &s t0*!o d& %'u&((osor)%n!s$os 'u& s& %(!$&nt%n d& sust%n!%s s"(!d%s, o$o (oss%(t%$ont&s


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su@&!"n d& (os %(!$&ntos. L%s $%nd0u(%s &st:n %d%*t%d%s *%r% ort%r ytr!tur%r &( %(!$&nto y t%$!/n *u&d&n s&r-!r *%r% (% d&&ns%.

3. (os ERTERADOS, (% NTRICIN &s INTRACELLAR, &s d&!r s& d%d&ntro d& (% /(u(%. R&'u!&r&n tuo d!)&st!-o, dond& t%$!/n *%s% (%%sor!"n d& (os nutr!&nt&s 'u& *%s%n %( $&d!o !nt&rno. Son5ETERTROFOS.L%s Et%*%s d& (% nutr!!"n sonG C%*tur% y s&(&!"n d& (os %(!$&ntos.G D!)&st!"n


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4. L% $%yor0% d& (os *&&s s"(o s& %(!$&nt%n d& !n-&rt&r%dos d&sd&&st& *unto d& -!st% tr&s )ru*os t!&n&n &s*&!%( !$*ort%n!% (osrust:&os, 'u& d&s&$*&9%n &n &( $%r &( $!s$o *%*&( 'u& (os !ns&tos&n t!&rr% y onst!tuy&n (%s -0t!$%s d& nu$&rosos *&&s (os )us%nos*o(!'u&tos, d& (os u%(&s s& %(!$&nt%n *r:t!%$&nt& todos (os *&&s

&nt"n!os &n $%yor o $&nor )r%do. Los $o(usos onst!tuy&n &( t&r&r)ru*o y d&s&$*&9%n t%$!/n un !$*ort%nt& *%*&(, &n &s*&!%( (os(%$&(!r%n'u!os y )%st&r"*odos d& on+% r:)!(, :!( d& ro$*&r. E( *&1*&rro t!&n& un% d&nt%dur% t%n *ot&nt& 'u& !n(uso &s %*%1 d& d&-or%r(os $o(usos d& on+% )ru&s%.

. L% %(!$&nt%!"n d& (os r&*t!(&s -%r0% d& un )ru*o % otro, *or (o 'u& &sd!0!( )&n&r%(!1%r.L% $%yor0% d& &((os son %rn0-oros y *os&&n un tr%to d!)&st!-o s&n!((oy orto *u&s (% %rn& s& d&so$*on& :!($&nt&. En (% $%yor0% d& (os

r&*t!(&s %rn0-oros &s !$*ort%nt& &( t%$%9o d& (% *r&s% 'u& s& -%n %o$&r, %s! s!&$*r& &s un t%$%9o %d&u%do %( d&( o$&ns%(, *&ro &n &(%so d& (%s s&r*!&nt&s s& %tr&-&n on *r&s%s $u+o $:s )r%nd&s. L%$%yor0% d& (%s *!&1%s %rn0-or%s &n)u((&n (% *r&s% s!n $%st!%r.


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8. C%rn0-oros. S& %(!$&nt%n d& %rn& d& otros %n!$%(&s. Son%rn0-oros &( (oo y &( (&"n.5&r0-oros. S& %(!$&nt%n d& *(%nt%s. Son +&r0-oros &( %%((o y &(&(&%nt& .O$n0-oros. Co$&n %rn&, *(%nt%s y otros %(!$&ntos. Son o$n0-oros &(oso y &( @%%(0 .Ins&t0-oros . Co$&n !ns&tos. Son !ns&t0-oros &( oso +or$!)u&ro, &(&r!1o y &( $ur!/(%)o .


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;. Los on&@os son %n!$%(&s +&r-!oros, &sto s!)n!6% 'u& so(o s&%(!$&nt%n d& %()un%s *(%nt%s, -&rdur%s y rut%s, *&ro &stos *&'u&9os%n!$%(&s t!&n&n un (!$!t& d& onsu$o y no *u&d&n o$&r d& todo (o 'u&nosotros onsu$!$os.

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Biologia sexto