Podcast
Questions and Answers
What is the primary role of testosterone in the development of birdsongs?
What is the primary role of testosterone in the development of birdsongs?
- Testosterone is not necessary for song crystallization.
- The timing and degree of elevation in testosterone are essential in proper development of birdsongs. (correct)
- Testosterone levels are high during song crystallization and in the spring, when songs are less stable.
- Testosterone levels are low during song crystallization and in the spring, when songs are more stable.
Which type of movement is typically found in amoeba?
Which type of movement is typically found in amoeba?
- Ciliary movement
- Muscular movement
- Amoeboid movement (correct)
- Flagellar movement
Which of the following is the primary method of movement used by most vertebrates?
Which of the following is the primary method of movement used by most vertebrates?
- Flagellar movement
- Amoeboid movement
- Muscular movement (correct)
- Ciliary movement
What is the main function of cilia in protozoans like Paramecium?
What is the main function of cilia in protozoans like Paramecium?
Which type of muscle tissue is responsible for locomotor activity in vertebrates?
Which type of muscle tissue is responsible for locomotor activity in vertebrates?
What is the study of movements called?
What is the study of movements called?
How many legs do typical centipede species have?
How many legs do typical centipede species have?
Which animals have the most legs among terrestrial animals?
Which animals have the most legs among terrestrial animals?
What is the term used to describe the movement of legs in animals with many legs?
What is the term used to describe the movement of legs in animals with many legs?
What is the basic form of the vertebrate foot?
What is the basic form of the vertebrate foot?
What type of locomotion do cats and dogs use?
What type of locomotion do cats and dogs use?
What is the alternative form of vertebrate 'leg' to the tetrapod leg?
What is the alternative form of vertebrate 'leg' to the tetrapod leg?
What type of vocalizations do young birds produce at the beginning of the sensorimotor phase?
What type of vocalizations do young birds produce at the beginning of the sensorimotor phase?
What happens if juveniles are deafened after the sensory phase but before the sensorimotor phase?
What happens if juveniles are deafened after the sensory phase but before the sensorimotor phase?
What do young birds preferentially learn if given a choice in song learning?
What do young birds preferentially learn if given a choice in song learning?
What effect does acoustic isolation have on the development of bird songs?
What effect does acoustic isolation have on the development of bird songs?
What do young birds need to hear during the sensorimotor phase to develop normal songs?
What do young birds need to hear during the sensorimotor phase to develop normal songs?
In the wild, what do young birds do when they hear conspecific songs?
In the wild, what do young birds do when they hear conspecific songs?
What are the two major mechanisms proposed to account for female mate choice?
What are the two major mechanisms proposed to account for female mate choice?
What is the main concept behind the 'Good Genes' mechanism of female mate choice?
What is the main concept behind the 'Good Genes' mechanism of female mate choice?
What does the Fisherian Arbitrary Choice propose regarding female mate preference?
What does the Fisherian Arbitrary Choice propose regarding female mate preference?
How does an evolutionary arms race typically arise between sexes?
How does an evolutionary arms race typically arise between sexes?
Which behavior is described as a form of aggression during the rut at the start of the breeding season in male fallow deer?
Which behavior is described as a form of aggression during the rut at the start of the breeding season in male fallow deer?
How do female elephants seals engage in mate selection during fights over access to females?
How do female elephants seals engage in mate selection during fights over access to females?
What is the primary evolutionary mechanism responsible for the development of male armaments like deer antlers and beetle horns?
What is the primary evolutionary mechanism responsible for the development of male armaments like deer antlers and beetle horns?
Which sex tends to be more selective when choosing mates?
Which sex tends to be more selective when choosing mates?
What is the purpose of the communal courtship displays, or leks, performed by some species?
What is the purpose of the communal courtship displays, or leks, performed by some species?
What are some of the direct benefits that females can gain by being selective in their mate choice?
What are some of the direct benefits that females can gain by being selective in their mate choice?
What is the primary reason why females do not mate at random or with the first male they encounter?
What is the primary reason why females do not mate at random or with the first male they encounter?
What is a likely indirect benefit that females can gain by being selective in their mate choice?
What is a likely indirect benefit that females can gain by being selective in their mate choice?
