-
occur through the
transfer of
organic particles which he
named '
gemmules.'
Gemmules,
which he also
sometimes referred to as plastitudes, pangenes, granules...
-
internal buds. The
internal buds are
called gemmules. Only
endogenous types of buds
develop into new sponges.
Gemmules are
resistant to
desiccation (drying out)...
- are full of nutrients.: 87–88
Freshwater gemmules may also
include photosynthesizing symbionts. The
gemmules then
become dormant, and in this
state can...
-
developed gemmules as an
overwintering mechanism. When
exposed to
excessively cold or
other harsh conditions, the
sponges form
gemmules.
Gemmules are highly...
- was that each part of the parent's body
emitted tiny
particles called gemmules,
which migrated through the body to
contribute to that parent's gametes...
-
gemmules. In budding,
aggregates of
cells differentiate into
small sponges that are
released superficially or
expelled through the oscula.
Gemmules are...
-
every part of the body
emits tiny
gemmules which migrate to the
gonads and are
transferred to offspring.
Gemmules were
thought to
develop into their...
- reproduction: by
gemmules and by budding.
Gemmules:
Gemmules are elaborate, highly-resistant
resting stages formed by
freshwater sponges.
Gemmules can be produced...
- (immature)
stages and
other life
cycle stages: In Porifera: olynthus,
gemmule In Cnidaria: ephyra, scyphistoma, strobila, gonangium, hydranth, polyp...
- whole") and
genesis ("birth") /
genos ("origin").
Darwin used the term
gemmule to
describe hypothetical particles that
would mix
during reproduction....
