How muscle cells keep otters warm answer key?

How do mitochondria help sea otters’ muscle cells generate heat? organelle’s inner membrane to store energy that can be used to power cells. Some of that energy can be lost as heat if protons leak back over the membrane before they can be used for work.

Is a river otter a producer?

Otters’ Place in the Food Web Primary producers (e.g. plants and algae) make food. They are eaten by primary consumers (such as bacteria, worms, larval insects, and small crustaceans). Primary consumers are eaten by secondary consumers (such as small fish).

Is otter meat good to eat?

Sea otter meat is delicious. They eat all the good stuff, so you can expect them to taste delicious as well.

What do baby river otters eat?

Otters belong to the mammal family, so baby otters drink milk from their mother as their only source of food while they are still blind. But after the forty days, they are able to eat plants and tiny fish. Some otters also climb trees and eat branches.

What is sea otters diet?

The sea otter’s diet consists almost exclusively of marine invertebrates including sea urchins, a variety of bivalves such as clams and mussels, abalone, other mollusks, crustaceans, and snails. Sea otters are one of the few animals that can eat sea urchins, making them a key stone species.

Why do otters eat clams?

That means a 75 lb otter eats between 100 and 150 clams per day to meet its nutritional and energetic demands. Remember, an otter must consume approximately 25% of its bodyweight in prey each day just to stay alive!

Why are river otters endangered?

10 facts about the giant river otter: The giant river otter is giant, measuring in at 1.5-1.8 m and weighing in at 22-32 kg! In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. They’re semi-aquatic mammals, which means that they need both land and water habitat to survive. They are very social, forming groups of up to 10 individuals, made up of reproducing pairs and their offspring. They can have up to 6 pups per gestation period. Within the family group, the sub-adults act as “older siblings” and are in charge of taking care of the new batch of pups. They can live up to 10 years in their natural habitat. It has been studied that they can have up to 9 different type of vocalizations. Their fur is a dark brown with a white/beige patch that extends from its jaw line to its chest. This patch is unique on each animal and serves as a digital mark to identify individuals between them. It’s a carnivorous species with a diet almost entirely composed of fish. It doesn’t have any natural predators, but it can compete for food with other species such as the black caiman (Melanosuchus niger), the neotropical river otter (Lontra longicaudis), and, of course, the human (Homo sapiens). Top photo: Walter H. Wust

Are river otters a protected species?

River otters are protected from trapping, hunting, and other harvest in 17 states. Twenty-seven states have seasons for trapping, and four states and two provinces have seasons for hunting.

Are river otters federally protected?

They are not federally endangered because they range over all of North America from the Arctic Circle to Mexico, although they are considered threatened or endangered in some states where their numbers have significantly dropped.

Are otters endangered or protected?

Endangered Species Act IUCN Red List CITES
Threatened Endangered Appendix I

Are pet otters legal in the uk?

Problems With Pet Otters Otters are wild animals. Owning native otters is illegal in many countries including the UK, Japan, and the U.S.

Are river otters a protected species?

River otters are protected from trapping, hunting, and other harvest in 17 states. Twenty-seven states have seasons for trapping, and four states and two provinces have seasons for hunting.

Do otters have pink noses?

Most river otters have black nose pads. The smooth otter and clawless otters have nose pads that are dusky or pinkish in color. The nose pads of hairy-nosed and giant otters are partially or completely covered with hair.

Do river otters live in groups?

River otters generally live alone or in small social groups. They can live eight to nine years in the wild but have lived up to 21 years in captivity.

How are people saving sea otters?

Fertilizers that make their way into the ocean can cause algal blooms, many of which are toxic to sea otters and other marine species. Support legislation and community efforts to improve wetlands. You can also help by supporting legislation protecting sea otter habitats, kelp forests, and marine protected areas.

How do otters adapt to freshwater biomes?

The playful North American river otter is well adapted for semi-aquatic living. The mammals have thick, protective fur to help them keep warm while swimming in cold waters. They have short legs, webbed feet for faster swimming, and a long, narrow body and flattened head for streamlined movement in the water.

How do otters find mates?

Mating Behavior A male river otter appears to approach females indiscriminately until it finds one that is receptive. A male approaches a female and attempts to embrace her with his forelegs or rub and sniff her body. If she is receptive, the two roll and frolic; if not, she will push him away.

How long does a southern river otter live?

When living in the wild, the average lifespan range for most of the population of otters is around three years. Most young southern river otters end up dying due to various reasons. Only a handful may live for a longer age, with some managing to live to be 10 years old.

How much does it cost to go to giraffe ranch?

The main attraction is an hour-plus safari ride that gets you up close and personally feeding giraffes, petting camels and maybe even hosing down rhinos. All ages welcome. Tickets start at $119. The ranch is run by Lex Salisbury, who most famously ran the Lowry Park Zoo for decades.

Is there wolverines in texas?

Probably a big coon, no Wolverines this far south plus they are not native to Texas.

What do southern river otters eat?

In addition to fish and crustaceans, southern river otters also eat mollusks and birds (Kruuk, 1995).

What does the southern river otter eat?

In addition to fish and crustaceans, southern river otters also eat mollusks and birds (Kruuk, 1995).

When did the sea otters become endangered?

Southern sea otters (Enhydra lutris nereis), also known as California sea otters, were listed as threatened in 1977 under the Endangered Species Act. Reduced range and population size, vulnerability to oil spills, and oil spill risk from coastal tanker traffic were the primary reasons for listing.

Where can you play with giraffes?

At Giraffe Ranch in Dade City, Florida, you get to experience first-hand the lives of giraffes and other species from around the world living under huge live oaks and open grasslands in a setting that is right out of Africa.

Why are eurasian otters endangered?

The Eurasian otter (Lutra lutra) is an endangered species that is threatened by loss of habitat as well as water pollution. In many regions across Europe the otter also comes into conflict with fish farming, which shares the same ponds and streams.

Why are european otters endangered in pakistan?

Threats to Otters in Pakistan A major damage caused to otter populations worldwide is from illegal trade of their skins and body parts (IOSF, 2008). Similar is the case with Pakistan where both the species are hunted ruthlessly due to the demand for their fur that has decreased otter populations considerably.

Why are killer whale consuming more otter in 1990s?

Williams says the answer turned out to be a simple one. Orcas were eating otters because the really big whales they used to eat were nearly wiped out by commercial whalers back in the 1950s. When the big whales got hard to find, Williams says, the orcas switched to big, stellar sea lions and then to medium-sized seals.

Why are northern sea otters endangered?

Threats. Threats to sea otters include predation, overharvest, fishery interactions, disease, and oil spill. There is concern, particularly in the Aleutian Islands, that increased predation by killer whales may be leading to declines in sea otter populations.