BOB JONES BIOLOGY CHAPTER 18 TEST REVIEW | COMPREHENSIVE
BIOLOGY STUDY GUIDE, PRACTICE QUESTIONS & ANSWERS 2026/2027
A colorless, protein-rich substance around the fertilized egg of a bird is - correct answer ✔✔albumen
After eyesight, the second most important sense for birds is - correct answer ✔✔hearing
Animals that chew their cud are usually - correct answer ✔✔ruminants
bats - correct answer ✔✔Chiropteran
Because of the large carbohydrate molecules in vegetation, any mammal that is herbivorous must be a
ruminant with a complex digestive system - correct answer ✔✔F
Birds constantly require food. A structure in which they store food is the - correct answer ✔✔crop
Birds frequently consume gravel in order to supply the necessary grinding substances for their - correct
answer ✔✔gizzard
Blowholes are associated with cetaceans. - correct answer ✔✔T
broad, flat part of a feather - correct answer ✔✔vane
echidnas - correct answer ✔✔Monotrematous
egg-laying mammals - correct answer ✔✔monotremes
Feathers grow on the skin from - correct answer ✔✔papillae
flesh-eating mammals - correct answer ✔✔carnivores
gnawing mammals - correct answer ✔✔rodents
hoofed mammals - correct answer ✔✔ungulates
In most mammals, oxygen and nutrients are exchanged between the mother and embryo through the -
correct answer ✔✔placenta
In the mammal, which portion of the brain fills most of the skull? - correct answer ✔✔cerebrum
Mammalian teeth used for grinding and chewing are - correct answer ✔✔molars
mammals with opposable thumbs - correct answer ✔✔primates
manatees - correct answer ✔✔Sirenia
BIOLOGY STUDY GUIDE, PRACTICE QUESTIONS & ANSWERS 2026/2027
A colorless, protein-rich substance around the fertilized egg of a bird is - correct answer ✔✔albumen
After eyesight, the second most important sense for birds is - correct answer ✔✔hearing
Animals that chew their cud are usually - correct answer ✔✔ruminants
bats - correct answer ✔✔Chiropteran
Because of the large carbohydrate molecules in vegetation, any mammal that is herbivorous must be a
ruminant with a complex digestive system - correct answer ✔✔F
Birds constantly require food. A structure in which they store food is the - correct answer ✔✔crop
Birds frequently consume gravel in order to supply the necessary grinding substances for their - correct
answer ✔✔gizzard
Blowholes are associated with cetaceans. - correct answer ✔✔T
broad, flat part of a feather - correct answer ✔✔vane
echidnas - correct answer ✔✔Monotrematous
egg-laying mammals - correct answer ✔✔monotremes
Feathers grow on the skin from - correct answer ✔✔papillae
flesh-eating mammals - correct answer ✔✔carnivores
gnawing mammals - correct answer ✔✔rodents
hoofed mammals - correct answer ✔✔ungulates
In most mammals, oxygen and nutrients are exchanged between the mother and embryo through the -
correct answer ✔✔placenta
In the mammal, which portion of the brain fills most of the skull? - correct answer ✔✔cerebrum
Mammalian teeth used for grinding and chewing are - correct answer ✔✔molars
mammals with opposable thumbs - correct answer ✔✔primates
manatees - correct answer ✔✔Sirenia
