Halla
Elmansoury
Biology 211
Professor Perlman
05/03/2023
1. Dr. Miller talked about how
Through speciation,
they have
or
2.
a
species
rate
fast
are
compared to deep
again to
becoming
transition
rates
diversity was
3. Why
geographical region
diversification, specifically
ocean
is considered the
reason
living
percomorpha living mostly
-
within the region.
deep
in shallow
in
shallow to deep
compared to
builtover
were some
could become species rich. What
fish species. What were some
the ancestors of teleosts were
Although
be the
sea
a
Extra credit
added. This can be done through species being old which
net
of
More than 90% of the
Biology DeptSeminar
shallow
sea
water
more
more
time to accumulate species
dispersal
the
to
yetthe majority
of fish species
reasons for
that trend? (2
water. This
all
due to
specifically
in
dates of 120-15
the
deep
sea
to
for limitofdeep sea colonization.
earlier
dispersal/colonization
region
shallow water fish
species
pts)
have
is
by
diversity is found in
waters, they
100 million year period compared
a
sea,
There's
has
of those ways? (1.5pts)
eventually evolved
spiny-rayed
into
speciation rates
shallow
of
years
coming rightafter
my a
fishes
fishes
as
later. In
living
in the
deep
performing higher
see, then
numbers
evolving back
along with
diversification rates have increased and its
general ecological
filtering
on
body shape might
don't move fishes colonize the deep sea? (Ipt)
Not all fishes have the preferable traits to survive in the deep sea. For example, large jaws are preferable for shallow deep waters along with later
colonists having narrow tails. In general, body shape constraints keep shallow lineages outof deep sea. This means thatexaptations are more often occuring for
to
some classic
4. Name one
Angler fish
at
deep-sea traits.
interesting thing you learned
are
shockingly
learn
scan to
more
small
compared
during the seminar.(0.54t.)
about
whatwas
to
aboutan organism, such
as
the
shown in the movie
anglerfish
that
can stretch
showing they
stomach.
its
out
are
firsttime learning
large and greatpredators. Itis the
about
a