30 Questions
What behavior from the male bird could lead to the female killing him?
Sticking his head into the nest while she's laying eggs
Why do some fathers finally leave the female alone during egg-laying?
They realize she needs more time to lay the eggs
What is a potential consequence of offspring emphasizing their need for food to parents?
They risk their own lives
Which of the following behaviors is considered an honest indicator of health in chicks during begging for food?
Showing inside of their mouths and throats
Why do parents give food to chicks with brighter mouths over duller ones?
Because it indicates better health in the chicks
What does optimal allocation of parental effort depend on according to the text?
Perspective
What is the main purpose of pollinators in the context of the text?
To carry sperm to fertilize flower ovules
How do hummingbirds differ from bees in terms of flower visitation?
Hummingbirds have long narrow tubes for nectar, while bees land on flowers for nectar.
What serves as a reproductive barrier between monkeyflowers due to specialization for different pollinators?
The presence of brushy hairs on the flower
How do courtship rituals contribute to reproductive barriers among firefly species?
By preventing males from mating with females from another species
Why is it harmful for females to mate with males of other species in fireflies?
It harms the females' health
What role do yellow ridges and brushy hairs play in bee-pollinated flowers?
Guiding pollen onto the bodies of bees
What trade-off do trees face according to the text?
Defenses against red squirrels and crossbills
What is the potential role of coevolution in extinction?
It may play a role in extinction
Why are native flowers on the mainland of New Zealand suffering pollination failure?
Since the birds are extinct, they lost their pollinators
According to Tinbergen's 4 questions for studying behavior, which one addresses how behavior influences fitness?
Why do variations in behavior influence fitness? (adaptation)
What is the outcome for island flowers after the extinction of birds they depended on for pollination?
Produced about as much fruit on their own as when pollinated by hand
Why might a plant still be present even after losing its pollinators due to extinction?
Due to the slow growth and long lifespan of the plant
What happens to the polar bears' range during warm periods?
It shrinks
What is the scale for measuring the strength of reproductive isolation?
0 to 1
What type of isolation typically evolves faster in flies?
Prezygotic isolation
What can happen to hybrids' offspring in rare cases?
They duplicate their entire genome
What is the result of the offspring having 10 chromosomes?
They become a distinct sexually reproducing species
What does speciation depend on?
It depends on both time and number of generations
What is a common cause of species extinction?
Competition with other species
How do paleontologists measure the longevity of a given species?
By measuring the time between its oldest and youngest known fossils
What is background extinction?
The normal rate of extinction for a taxon or biota
What causes a mass extinction?
A slower rate of new species emergence than the rate of extinction
What is one example of a cause for habitat loss leading to a species' extinction?
Cutting down trees
What are some causes of mass extinctions?
Earthquakes and volcanic eruptions
Explore the dynamics of parent-offspring conflict in animal behavior through this quiz. Learn about how mothers and fathers behave towards each other and their offspring in the wild.
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