Sentences with phrase «giant sperm»
The phrase "giant sperm" refers to an exaggerated or very large version of the male reproductive cell that fertilizes eggs. It is often used metaphorically or humorously to describe something that is excessively or abnormally big. Full definition
New Zealand's only marine based whale watching company, offering visitors an up - close encounter with Giant Sperm Whales in their natural environment.
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Such a long history of giant sperm points to intense sexual competition between males, says Matzke - Karasz.
Preserved giant sperm from tiny shrimps that lived at least 17 million years ago have been discovered at the Riversleigh World Heritage Fossil Site by a team including UNSW Australia researchers.
«Ancient giant sperm from tiny shrimps discovered at Riversleigh World Heritage Fossil Site.»
Giant sperm in Drosophila is considered to be a fast evolving trait of recent origin that has evolved numerous times in the genus [36].
Now it seems that ostracods, or seed shrimp, have been producing giant sperm for at least 100 million years.
Within these are the almost perfectly preserved giant sperm cells, and within them, the nuclei that once contained the animals» chromosomes and DNA.
Lüpold says that such interactions underlie the coevolution of sperm - female tract traits observed in numerous taxa: «Giant sperm tails represent the cellular, postcopulatory equivalent of peacock tails, having evolved mainly through female sperm choice.»
The 13 - million - year - old sperm whale stretched some 13 meters in length — about twice as long as a great white shark, Carcharodon carcharias, but 5 meters shorter than today's modern giant sperm whale, Physeter macrocephalus.
What I took away most from In the Heart of the Sea was more than just some mindless giant sperm whale wreaking havoc on the Essex, but rather a metaphor of nature exacting its revenge on global industry much like Godzilla destroying Tokyo for its irresponsibility with nuclear power.
Whale Watching - Off the coastline is a marine environment rich in nutrients attracting giant sperm whales, which can be seen all year round making Marlborough one of the most popular whale watching locations in the world.
Today's giant sperm whales have only tiny teeth along their lower jaws, and are suction - feeders, ingesting deep - water cephalopods.
«A question I've been fascinated with since grad school is why do some species have males that produce few, giant sperm» Pitnick says.
The giant sperm are thought to have been longer than the male's entire body, but are tightly coiled up inside the sexual organs of the fossilised freshwater crustaceans, which are known as ostracods.
Also preserved are the Zenker organs — chitinous - muscular pumps used to transfer the giant sperm to the female.
Fruit flies» giant sperm have been challenging to explain, says study coauthor Scott Pitnick of Syracuse University in New York.
EXTREME SPERM The most oversized male sexual feature yet documented may be a fruit fly's giant sperm (right, one sperm at 200 times magnification from Drosophila bifurca; left, same magnification of male surrounded by a male reproductive tract).
Like Captain Ahab in Moby Dick, paleontologists have long been on the track of a giant sperm whale, one armed with large, flesh - tearing teeth.
Later, in a nod to The Thomas Crown Affair, I bet (the remake, I mean), Grey / Steele go for a flight in a glider that looks like a giant sperm with wings.
As you can see above, the samples are carried inside the head of the giant sperm.
Kaikoura, New Zealand About Blog New Zealand's only vessel based whale watching company offering an exciting up - close encounter with the Giant Sperm Whale all year round.