The production of this structure-providing protein distinguishes animals from other organisms, such as fungi.
What is collagen?
This cluster of neurons in the vertebrate brain acts as the master timekeeper, coordinating the circadian rhythm.
What is the suprachiasmatic nucleus?
These long-lasting emotions of an animal are based on prior experiences.
What is are affective states?
“Coho” and “Chinook” are species of this animal that migrates to breed at its place of birth.
What is salmon?
This written tool is useful for researchers who want to distinguish between behaviors such as, say, walking and running.
What is an ethogram?
This sense allows us to determine where our bodies are in space, even with our eyes closed.
What is proprioception?
This term describes the food presented by males of some species as a courtship gift.
What is a nuptial gift?
This type of migration occurs nightly and is used to evade aquatic predators during the day.
What is diel vertical migration/DVM?
This question from Niko Tinbergen’s framework can be answered by looking at neural networks and hormonal cascades.
What is cause/mechanism?
In an example of social learning, these whales teach their young the hunting strategy of intentional beaching.
What are orca whales (Orcinus orca)?
This English statistician proposed the theory of runaway selection to describe the emergence of sexual dimorphism in peacocks.
Who is (Ronald) Fisher?
These bold animals are responsible for an average of 8.6 human deaths per year in the United States.
What are feral hogs (Sus domesticus)?
A subset of a diurnal animal population experiences genetic changes that make it nocturnal, reducing its opportunities to reproduce with the rest of the population. This is likely to lead to what type of event?
What is a divergence event?
This operant conditioning strategy may involve forcing a disobedient child to write a message on a chalkboard hundreds of times.
What is positive punishment?
These fish are genetically identical to their offspring, making them useful for studying personality.
What are amazon mollies (Poecilia formosa)?
This mountain range is where white-crowned sparrows breed at high elevations before migrating to lower elevations to avoid harsh winters.
What are the Sierra Nevada Mountains?
About this long ago, the first animal known to both breathe oxygen and walk on land appeared.
What is 420 million years?
These vertebrates secrete hormones from structures called Stannius corpuscles and the caudal neurosecretory system.
What are fish?
Suppose the fitness value of winning a resource in a fight is 200 and the fitness cost of injury is 100. If a hawk wins 50% of fights and is injured 50% of the time, this is the expected fitness when both animals employ the hawk strategy.
What is 50?
This term describes the desert locust morph triggered by overcrowding and hormonal changes that prepares the insects for swarming.
What is gregarious?