What is the domain of a walrus?
What is the domain of a walrus?
EukaryoteWalrus / DomainEukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope. They belong to the group of organisms Eukaryota or Eukarya; their name comes from the Greek εὖ and κάρυον. The domain Eukaryota makes up one of the three domains of life; bacteria and archaea make up the other two domains. Wikipedia
What is the walrus population?
Total world walrus population is about 250,000 animals.
What classification is a walrus?
MammalWalrus / ClassMammals are a group of vertebrates constituting the class Mammalia, characterized by the presence of mammary glands which in females produce milk for feeding their young, a neocortex, fur or hair, and three middle ear bones. Wikipedia
What is the most abundant subspecies of walrus?
This species is subdivided into two subspecies: the Atlantic walrus (O. r. rosmarus), which lives in the Atlantic Ocean, and the Pacific walrus (O. r. divergens), which lives in the Pacific Ocean….Walrus.
Walrus Temporal range: Pleistocene to Recent | |
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Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Clade: | Pinnipedia |
Where are walruses located?
Walruses live in Arctic and sub-Arctic regions of the world near the North Pole. They can be found in the Pacific Ocean, Atlantic Ocean, and Arctic Ocean. 3. Both male and female walruses have large tusks that clearly distinguish them from other marine mammals.
Why are walruses important to the ecosystem?
Walruses can have a large effect on their prey and play an important role in the Arctic ecosystem by influencing the structure of benthic invertebrate communities. They can eat more than 50 clams during a single 7-minute dive to the seafloor and consume 35–50 kilograms (77–110 pounds) of food per day.
What is the population trend of the walrus?
ANCHORAGE, Alaska — The Pacific walrus population roughly halved between 1981 and 1999, the last year for which demographic data are available. A recent study by scientists at the U.S. Geological Survey quantifies this historic population decline.
What is a walrus genus and species?
WalrusesWalrus / Genus
What are the characteristics of a walrus?
These marine mammals are extremely sociable, prone to loudly bellowing and snorting at one another, but are aggressive during mating season. With wrinkled brown and pink hides, walruses are distinguished by their long white tusks, grizzly whiskers, flat flipper, and bodies full of blubber.
How many species of walrus are there?
two subspecies
walrus, (Odobenus rosmarus), also called morse, huge, seal-like mammal found in Arctic seas. There are two subspecies: the Atlantic walrus (Odobenus rosmarus rosmarus) and the Pacific walrus (O. rosmarus divergens).
Are there different species of walruses?
Pacific walrus
Atlantic walrusLaptev walrus
Walrus/Lower classifications