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Questions and Answers
Which of the following best describes the primary function of the avian excretory system?
Which of the following best describes the primary function of the avian excretory system?
- To regulate body temperature through sweat glands.
- To store urine in a bladder before excretion.
- To convert nitrogenous waste into solid uric acid, conserving water. (correct)
- To filter blood and produce liquid urea.
How does the absence of a urinary bladder in most birds affect their physiology?
How does the absence of a urinary bladder in most birds affect their physiology?
- It requires the constant excretion of waste to reduce weight for flight. (correct)
- It allows for the storage of large amounts of liquid waste.
- It forces birds to consume large quantities of water.
- It leads to the production of highly diluted urine.
Why is the excretion of uric acid advantageous for birds?
Why is the excretion of uric acid advantageous for birds?
- Uric acid is highly soluble in water, facilitating easy excretion.
- Uric acid can be easily converted into urea if needed.
- Uric acid requires very little water for excretion, aiding water conservation. (correct)
- Uric acid is less toxic than other forms of nitrogenous waste.
What is the expected diet of a bird classified as 'vÅ¡ežravÃ'?
What is the expected diet of a bird classified as 'vÅ¡ežravÃ'?
If a bird species is categorized as 'býložravÃ', what would be its primary food source?
If a bird species is categorized as 'býložravÃ', what would be its primary food source?
Which dietary specialization does the 'výr velký' (eagle-owl) exhibit?
Which dietary specialization does the 'výr velký' (eagle-owl) exhibit?
What type of food is mainly consumed by birds classified as 'semenožravÃ'?
What type of food is mainly consumed by birds classified as 'semenožravÃ'?
A bird described as 'plodožravÃ' would predominantly feed on which of the following?
A bird described as 'plodožravÃ' would predominantly feed on which of the following?
Which of the following diets is characteristic of 'nektarožravÃ' birds?
Which of the following diets is characteristic of 'nektarožravÃ' birds?
What is the primary food source for birds classified as 'hmyzožravÃ'?
What is the primary food source for birds classified as 'hmyzožravÃ'?
If a bird is labeled as 'rybožravÃ', what would you expect it to eat?
If a bird is labeled as 'rybožravÃ', what would you expect it to eat?
What is the dietary preference of a bird categorized as 'mrchožravÃ'?
What is the dietary preference of a bird categorized as 'mrchožravÃ'?
How might the diet of a 'kachna divoká' (mallard duck) influence its habitat selection?
How might the diet of a 'kachna divoká' (mallard duck) influence its habitat selection?
What adaptations might be expected in the digestive system of a 'husa velká' (greylag goose) to support its herbivorous diet?
What adaptations might be expected in the digestive system of a 'husa velká' (greylag goose) to support its herbivorous diet?
Which feature would be most beneficial for a 'pěnkava obecná' (chaffinch) in acquiring its primary food source?
Which feature would be most beneficial for a 'pěnkava obecná' (chaffinch) in acquiring its primary food source?
What beak adaptation would you expect to see in 'volavka popelavá' (grey heron), given its diet?
What beak adaptation would you expect to see in 'volavka popelavá' (grey heron), given its diet?
How does the digestive system of the 'sup bělohlavý' (Griffon vulture) likely differ from that of a fruit-eating bird?
How does the digestive system of the 'sup bělohlavý' (Griffon vulture) likely differ from that of a fruit-eating bird?
Which adaptation related to their diet would be most expected in 'kolibÅ™Ãk' (hummingbirds)?
Which adaptation related to their diet would be most expected in 'kolibÅ™Ãk' (hummingbirds)?
A scientist discovers a new bird species with a high tolerance to uric acid in its system. What might this suggest about its excretory system?
A scientist discovers a new bird species with a high tolerance to uric acid in its system. What might this suggest about its excretory system?
How does the composition of bird eggs relate to the excretory process in birds?
How does the composition of bird eggs relate to the excretory process in birds?
Flashcards
Bird's Urine Form
Bird's Urine Form
Wastes are converted into uric acid.
Omnivores
Omnivores
Birds that eat everything (plants and meat).
Herbivores
Herbivores
Birds that primarily consume plants.
Carnivores
Carnivores
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Granivores
Granivores
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Frugivores
Frugivores
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Nectarivores
Nectarivores
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Insectivores
Insectivores
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Piscivores
Piscivores
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Scavengers
Scavengers
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Bird Kidneys
Bird Kidneys
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Bird's Missing Organ
Bird's Missing Organ
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Study Notes
- The excretory system includes elongated kidneys and ureters
- Birds lack a urinary bladder, instead having a cloaca
- Nitrogenous waste products are converted into uric acid
- Bird urine is pasty in consistency
Classification of Birds Based on Diet
- Omnivores such as the wild duck
- Herbivores such as the greylag goose
- Carnivores such as the eagle owl
- Seed eaters such as the chaffinch
- Fruit eaters such as the toucan
- Nectar feeders such as the hummingbird
- Insectivores such as the blackcap
- Fish eaters such as the gray heron
- Carrion feeders such as the white-headed vulture
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