A life-history perspective on the evolutionary interplay of sex ratios and parental sex roles
The American Naturalist,
Год журнала:
2024,
Номер
205(2), С. E49 - E65
Опубликована: Окт. 10, 2024
AbstractThe
parental
roles
of
males
and
females
differ
remarkably
across
the
tree
life,
several
studies
suggest
that
sex
are
associated
with
biased
ratios.
However,
there
is
considerable
debate
on
causal
relationship
between
ratios
relative
importance
operational
ratio
(OSR),
adult
(ASR),
maturation
(MSR).
Here,
we
use
individual-based
evolutionary
simulations
to
investigate
joint
evolution
sex-specific
behavior
various
in
life
history
scenarios.
We
show
typically,
but
not
always,
lower
mortality
or
faster
maturity
tends
provide
most
care.
The
association
more
intricate.
At
equilibrium,
OSR
typically
toward
less
caring
sex,
direction
strength
biases
may
change
considerably
during
evolution.
When
MSR
ASR
biased,
a
broad
spectrum
care
patterns
can
evolve,
although
overrepresented
generally
does
caring.
conclude
none
driver
roles;
they
rather
coevolve
subtle
manner.
Язык: Английский
Anisogamy and sex roles: a commentary
Evolution Letters,
Год журнала:
2024,
Номер
8(6), С. 761 - 763
Опубликована: Окт. 23, 2024
Abstract
The
origin
and
maintenance
of
sex
differences
in
reproductive
behavior
(often
labeled
roles)
have
remained
controversial
topics,
recent
meta-analyses
theoretical
models
helped
to
elucidate
the
processes
that
generate
diverse
roles.
We
are
glad
see
our
study
(Mokos
et
al.,
2021)
generated
a
healthy
debate,
agreement
with
commentaries
(Janicke,
2024;
Lehtonen
&
Parker,
2024)
we
call
for
more
comprehensive
approach
understanding
role
evolution.
Язык: Английский
Emergence of alternative offspring care patterns from the evolution of parental negotiation strategies
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Abstract
The
evolution
of
parental
cooperation
is
challenging
to
explain
because
caring
for
offspring
costly,
and
parents
face
an
evolutionary
conflict
interests
over
how
much
care
each
should
contribute.
Evolutionary
game
theory
suggests
that
this
may
be
resolved
through
negotiation,
where
the
make
their
level
dependent
on
provided
by
partner.
However,
mathematical
negotiation
models
typically
predict
a
low
cooperation.
As
these
are
not
dynamically
explicit
tend
neglect
stochasticity,
we
here
investigate
strategies
means
individual-based
simulations.
Our
results
differ
markedly
from
earlier
analytical
predictions.
Parental
readily
evolve,
but
replicate
simulations
result
in
four
alternative
patterns:
uniparental
care,
sex-biased
egalitarian
biparental
with
constant
or
oscillatory
levels.
Hence,
pronounced
sex
differences
can
evolve
even
absence
sexual
selection
uncertainty
paternity.
Effective
most
frequent
outcome,
contrast
models,
it
based
compensation
tit-for-tat
strategy.
Actually,
destabilises
leads
less
effective
outcomes
one
exploits
other
one.
Язык: Английский