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Animal Behavior

This category is for questions about an animal's visible muscular activity that constitutes behavior, as well as the proximate and ultimate causes.

4,735 Questions

What causes depolarisation of sarcolemma of muscle fibre?

An incoming action potential to an alpha motor neuron causes acetylcholine (Ach)release at the end plate, Ach binds to Ach receptors on the sarcolemma causing a sodium influx which causes depolarization.

What are the flounders predators?

Flounders' predators include larger fish such as cod, halibut, and sharks, as well as seabirds and marine mammals like seals and sea lions. They rely on camouflage and burrowing in the sand to evade these predators.

Anything that restricts the number of individuals living in a population is?

called a limiting factor. These factors can include food availability, predation, disease, competition for resources, and habitat destruction. When limiting factors become too severe, they can lead to a decrease in population size.

Which animal best describes my personality?

It's hard to determine your personality without more information, but if you provide some traits or characteristics, I can suggest an animal that embodies them.

What is the name for artificial water channel used for breeding fish?

The name for an artificial water channel used for breeding fish is a fish hatchery. These facilities are designed to provide a controlled environment for fish breeding, egg incubation, and early development stages before releasing them into natural habitats.

What do baby soft shell turtles eat?

Baby soft shell turtles typically eat a diet consisting of small insects, crustaceans, small fish, and aquatic plants. It's important to provide a varied diet to ensure they receive all the necessary nutrients for proper growth and health. Feed them small portions several times a week to mimic their natural feeding habits.

Can a snake climb stair?

Yes, they will, although some house plants are dangerous to their health. You would need to research each type of plant in your home for toxicity. Rats love to dig in dirt and will chew any greenery that they find.

What is an example of commensalism in the Maine intertidal zone?

There are little crabs that live in between the branches of acropora species that are commensals. The crab gets a safe place to live, and feeds of mucus from the coral. The coral enjoys better ciculation and is defended against certain parasites.

The offspring of most animals are a mixture of features from both?

parents. This mixing of genetic information helps ensure genetic diversity and adaptability within populations, improving their chances of survival in changing environments. Additionally, offspring inherit a combination of traits that may enhance their fitness and increase their chances of reproductive success.

What animals growl?

Animals that growl include lions, tigers, bears, wolves, and some species of large cats like jaguars and leopards. Growling is a warning or defensive behavior used to communicate aggression or territoriality.

What happens after the tadpole hatch?

After a tadpole hatches, it will typically feed on algae and plant matter. As it grows, it will start to develop limbs and its tail will reduce in size. Eventually, it will undergo metamorphosis and transform into a frog or toad.

Where do Egyptian Plovers live?

Egyptian Plovers, also known as Crocodile Birds, inhabit parts of sub-Saharan Africa, particularly around rivers and lakes where they can find crocodiles. They are known for their symbiotic relationship with crocodiles, as they pick parasites off the reptiles' skin.

What makes a pearl?

Natural pearls

Contrary to popular belief, a natural pearls is notformed by a grain of sand. This story is an urban legend.

A natural pearl forms inside a bivalve mollusk when the shell has been invaded by a parasite or damaged. The most common reason a natural pearl will develop is due to parasitic invasion.

The parasite wil burrow through the periostracum layer (outer layer) of a mollusk shell and into the mother-of-pearl beneath. When the parasite penetrates the mother of pearl in comes in contact with the mollusk's mantle muscle. This muscle contains cells known as epithelial cells. These cells produce a substance called nacre which coats the inside of the shell (mother-of-pearl) and is the substance of which a pearl is composed.

The parasite becomes lodged in this mantle muscle and dies. The mollusk's definsive reaction is to grow a sac around the intruder. This sac is called the pearl sac. Once the sac encases the intruder the cells begin to deposit nacre- which is composed of aragonite and calcite (a calcium carbonate compound) platelets.

Cultured Pearls

Cultured (marine) pearls are grown by inserting a rounded bead of mother-of-pearl and a piece of mantle tissue containing epithelial cells from a donor mollusk into the gonad, or reproductive organ, of a host mollusk. The donor tissue grows into a pearl sac around the bead. As in natural pearl production, this sac then deposits nacre.

Maturity time of artificial oyester pearl

Is the pacific loon nocturnal or diurnal?

The Pacific loon is diurnal, meaning it is active during the day and rests at night. They typically feed during the daytime and engage in other activities such as breeding, preening, and socializing during daylight hours.

How tall was goliath the bear?

He is 12' 8" and 1280lbs. I used to live in Branchville,NJ and worked in Sussex,NJ. used to pass by Space Farm in Beemerville on My way to and from. The first time I saw the bear standing there scared the crap outta Me! First thig I noticed was his claws then paws then his teeth. all of which are over 6" He was a gorgious bear. Check out Space Farms website.

Can turtles breath underwater?

A turtle needs air to breathe. Some turtles can slow their metabolism, allowing them to sleep underwater, but it must come up to the surface of the water in order to breathe. It can hold it's breath and stay underwater awhile, but it must surface to breathe or it will drown.

Turtles cannot breathe underwater because they do not have gills, like fish - they have lungs, much like human lungs. Some aquatic turtles such as the red-eared slider can hold their breath for 3-4 hours, which might make you think that they are breathing underwater, but they really are not.

Why didn't dinosaurs sit on their eggs?

If a dinosaur were to had sat on its eggs... well, lets just say they wanted to hatch a baby, not an omelet. Rather than planting there immense bodies on their small eggs, they placed dead brush over them which would decay and warm the eggs. Also by doing this, they have the opportunity to do something else rather than sit on an egg all day.

Name egg laying animals?

Some examples of four-legged animals that lay eggs are:

  • crocodiles
  • platypuses
  • chameleon
  • tortoises
  • echinda
  • opossums
  • wombats
  • koalas
  • kangaroos
  • wallabies
  • wallaroos

Are flying squirrels nocturnal?

Only flying squirrels are nocturnal. All other types of squirrels are active during the early morning and early afternoon, this type of behavior is called crepuscular (as opposed to diurnal = active mostly during the day, and nocturnal= active mostly at night )

What are Giving up densities?

The benefit of a food patch is primarily determined by the nutrition value and density of food in an area. A high density of food may encourage an animal to take greater risks whilst feeding. However, as an animal feeds, there is a critical point at which the density of food available no longer out ways the cost of feeding at that site. This is called the giving up density. When the giving up density of a food patch is reached, the animal will leave the site and forage somewhere else.

What is the meaning of behavioral adaptation?

The meaning of behaivoral adaptations of plants would be something that they have learend. For example, if a plant needs light, it will grow toward the direction where it gets the most of what it is looking for.

What animal do zebras hate?

There is no specific animal that zebras hate. However, zebras may feel threatened by predators such as lions, hyenas, and wild dogs due to their hunting behavior. Zebras use their speed and agility to evade these predators in the wild.

What is an animal that migrates?

One example of an animal that migrates is the monarch butterfly. These butterflies travel between North and Central America to avoid harsh winters and find suitable breeding grounds. During migration, they can travel thousands of miles.

What is the rarest primate?

The rarest primate is considered to be the Hainan gibbon (Nomascus hainanus), with only around 30 individuals left in a small area of China's Hainan Island. This gibbon species is critically endangered mainly due to habitat loss and fragmentation.