Podcast
Questions and Answers
What behavior from the male bird could lead to the female killing him?
What behavior from the male bird could lead to the female killing him?
- Singing loudly near the nest
- Trying to defend the nest from predators
- Bringing food to the nest
- Sticking his head into the nest while she's laying eggs (correct)
Why do some fathers finally leave the female alone during egg-laying?
Why do some fathers finally leave the female alone during egg-laying?
- They need to find more food
- They realize she needs more time to lay the eggs (correct)
- They are afraid of the female
- They get bored of the nest
What is a potential consequence of offspring emphasizing their need for food to parents?
What is a potential consequence of offspring emphasizing their need for food to parents?
- They develop better immunity
- They grow faster
- They risk their own lives (correct)
- They become stronger than their siblings
Which of the following behaviors is considered an honest indicator of health in chicks during begging for food?
Which of the following behaviors is considered an honest indicator of health in chicks during begging for food?
Why do parents give food to chicks with brighter mouths over duller ones?
Why do parents give food to chicks with brighter mouths over duller ones?
What does optimal allocation of parental effort depend on according to the text?
What does optimal allocation of parental effort depend on according to the text?
What is the main purpose of pollinators in the context of the text?
What is the main purpose of pollinators in the context of the text?
How do hummingbirds differ from bees in terms of flower visitation?
How do hummingbirds differ from bees in terms of flower visitation?
What serves as a reproductive barrier between monkeyflowers due to specialization for different pollinators?
What serves as a reproductive barrier between monkeyflowers due to specialization for different pollinators?
How do courtship rituals contribute to reproductive barriers among firefly species?
How do courtship rituals contribute to reproductive barriers among firefly species?
Why is it harmful for females to mate with males of other species in fireflies?
Why is it harmful for females to mate with males of other species in fireflies?
What role do yellow ridges and brushy hairs play in bee-pollinated flowers?
What role do yellow ridges and brushy hairs play in bee-pollinated flowers?
What trade-off do trees face according to the text?
What trade-off do trees face according to the text?
What is the potential role of coevolution in extinction?
What is the potential role of coevolution in extinction?
Why are native flowers on the mainland of New Zealand suffering pollination failure?
Why are native flowers on the mainland of New Zealand suffering pollination failure?
According to Tinbergen's 4 questions for studying behavior, which one addresses how behavior influences fitness?
According to Tinbergen's 4 questions for studying behavior, which one addresses how behavior influences fitness?
What is the outcome for island flowers after the extinction of birds they depended on for pollination?
What is the outcome for island flowers after the extinction of birds they depended on for pollination?
Why might a plant still be present even after losing its pollinators due to extinction?
Why might a plant still be present even after losing its pollinators due to extinction?
What happens to the polar bears' range during warm periods?
What happens to the polar bears' range during warm periods?
What is the scale for measuring the strength of reproductive isolation?
What is the scale for measuring the strength of reproductive isolation?
What type of isolation typically evolves faster in flies?
What type of isolation typically evolves faster in flies?
What can happen to hybrids' offspring in rare cases?
What can happen to hybrids' offspring in rare cases?
What is the result of the offspring having 10 chromosomes?
What is the result of the offspring having 10 chromosomes?
What does speciation depend on?
What does speciation depend on?
What is a common cause of species extinction?
What is a common cause of species extinction?
How do paleontologists measure the longevity of a given species?
How do paleontologists measure the longevity of a given species?
What is background extinction?
What is background extinction?
What causes a mass extinction?
What causes a mass extinction?
What is one example of a cause for habitat loss leading to a species' extinction?
What is one example of a cause for habitat loss leading to a species' extinction?
What are some causes of mass extinctions?
What are some causes of mass extinctions?
