gemmule उदाहरण वाक्य
उदाहरण वाक्य
- Spongocytes make gemmules by wrapping shells of spongin, often reinforced with spicules, round clusters of archeocytes that are full of nutrients.
- Individual gemmules did not contain a complete microscopic blueprint for an entire creature in the way that Herbert Spencer or Carl von Nagel described.
- Charles Darwin developed a theory of inheritance he termed pangenesis, from gemmule " to describe hypothetical particles that would mix during reproduction.
- The gemmules then become dormant, and in this state can survive cold, drying out, lack of oxygen and extreme variations in salinity.
- Much of Darwin's model was speculatively based on inheritance of tiny heredity particles he called gemmules that could be transmitted from parent to offspring.
- Freshwater gemmules often do not revive until the temperature drops, stays cold for a few months and then reaches a near-" normal " level.
- Individual gemmules did not contain a complete microscopic blueprint for an entire creature in the way that Herbert Spencer or Carl von N�geli described .'( p . 276)
- Gemmules are " survival pods " which a few marine sponges and many freshwater species produce by the thousands when dying and which some, mainly freshwater species, regularly produce in autumn.
- Some gemmules are retained within the parent sponge, and in spring it can be difficult to tell whether an old sponge has revived or been " recolonized " by its own gemmules.
- Some gemmules are retained within the parent sponge, and in spring it can be difficult to tell whether an old sponge has revived or been " recolonized " by its own gemmules.