Botany & Zoology |700 questions with verified
answers
_____ on the outside of a sponge's body take in water, which aids it in
obtaining food. Ans✓✓✓Pores
_______________ is the process of changing a tadpole into a frog,
which does not occur in an axolotl. Ans✓✓✓Metamorphosis
2,4-D is a _____________________, often used as a weedkiller in cereal
crops and grasses. Ans✓✓✓synthetic auxin
A bird's crop ________________________________________.
Ans✓✓✓temporarily stores food
A bird's heart has __________________. Ans✓✓✓four chambers
A bird's respiratory system is very efficient because the lungs
_________________________. Ans✓✓✓are connected to several sets
of air sacs
A bony fish adjusts its overall density by _____________________.
Ans✓✓✓inflating or deflating its swim bladder with blood gases
A book lung is so-called because _____________________________.
Ans✓✓✓its folds resemble the pages of a book
,A bryophyte is a _____________________. Ans✓✓✓nonvascular plant
A characteristic structure found in many mollusks is the radula, which is
involved in _______________. Ans✓✓✓eating
A common example of chemotropism is
____________________________. Ans✓✓✓the growth of a pollen
tube after pollination
A disadvantage of asexual reproduction is that offspring lack
_______________________; therefore, all the offspring are vulnerable
to attack by the same diseases or pests. Ans✓✓✓genetic variation
A dog is a member of the order ______________. Ans✓✓✓Carnivora
A freshwater fish could not live in seawater, unless its kidneys
_____________________. Ans✓✓✓could reverse the direction of
water uptake and excretion
A gastropod, such as a __________, undergoes torsion and is usually
underneath a single shell. Ans✓✓✓snail
A gemmule is
________________________________________________.
,Ans✓✓✓an internal bud, similar to a spore, that enables freshwater
sponges to survive harsh conditions
A good example of a bivalve mollusk is the ______. Ans✓✓✓clam
A grasshopper has a ventral nerve cord and is therefore a(n)
_______________________. Ans✓✓✓invertebrate
A higher metabolic rate, a more efficient respiratory system, and a four-
chambered heart were all adaptions for _______________.
Ans✓✓✓flight
A jellyfish planula develops into a ______________. Ans✓✓✓polyp
A large brain-to-body ratio indicates that ________________________.
Ans✓✓✓there is a great capacity for decision-making in the brain
A major difference between the development of invertebrates and that of
vertebrates is that ___________________________________.
Ans✓✓✓most invertebrates undergo indirect development, while most
vertebrates undergo direct development
A mammal's brain is about 15 times larger than a reptile of similar size.
Most of the increase in size and weight is due to the size of the
mammal's ________. Ans✓✓✓cerebrum
, A meat eater (carnivore) would be considered a(n)
__________________________. Ans✓✓✓heterotroph
A monocot would have only one ____________________, an
embryonic leaf with the seed. Ans✓✓✓cotyledon
A new plant growing from a bud in the eye of a potato is an example of
__________________. Ans✓✓✓vegetative reproduction
A pistil is formed by fusing together several carpels, and the pistil is
composed of __________________________. Ans✓✓✓a stigma, style,
and ovary
A placental mammal is likely to have young that develop
_______________________. Ans✓✓✓longer before birth than other
mammals
A plant hormone that is often used to ripen fruit is _______________.
Ans✓✓✓ethylene
A plant that has flower parts that occur in multiples of four or five is
usually a _________________. Ans✓✓✓dicot
A pollen tube grows toward the ovule because
______________________. Ans✓✓✓the ovule releases a chemical
which stimulates the growth
answers
_____ on the outside of a sponge's body take in water, which aids it in
obtaining food. Ans✓✓✓Pores
_______________ is the process of changing a tadpole into a frog,
which does not occur in an axolotl. Ans✓✓✓Metamorphosis
2,4-D is a _____________________, often used as a weedkiller in cereal
crops and grasses. Ans✓✓✓synthetic auxin
A bird's crop ________________________________________.
Ans✓✓✓temporarily stores food
A bird's heart has __________________. Ans✓✓✓four chambers
A bird's respiratory system is very efficient because the lungs
_________________________. Ans✓✓✓are connected to several sets
of air sacs
A bony fish adjusts its overall density by _____________________.
Ans✓✓✓inflating or deflating its swim bladder with blood gases
A book lung is so-called because _____________________________.
Ans✓✓✓its folds resemble the pages of a book
,A bryophyte is a _____________________. Ans✓✓✓nonvascular plant
A characteristic structure found in many mollusks is the radula, which is
involved in _______________. Ans✓✓✓eating
A common example of chemotropism is
____________________________. Ans✓✓✓the growth of a pollen
tube after pollination
A disadvantage of asexual reproduction is that offspring lack
_______________________; therefore, all the offspring are vulnerable
to attack by the same diseases or pests. Ans✓✓✓genetic variation
A dog is a member of the order ______________. Ans✓✓✓Carnivora
A freshwater fish could not live in seawater, unless its kidneys
_____________________. Ans✓✓✓could reverse the direction of
water uptake and excretion
A gastropod, such as a __________, undergoes torsion and is usually
underneath a single shell. Ans✓✓✓snail
A gemmule is
________________________________________________.
,Ans✓✓✓an internal bud, similar to a spore, that enables freshwater
sponges to survive harsh conditions
A good example of a bivalve mollusk is the ______. Ans✓✓✓clam
A grasshopper has a ventral nerve cord and is therefore a(n)
_______________________. Ans✓✓✓invertebrate
A higher metabolic rate, a more efficient respiratory system, and a four-
chambered heart were all adaptions for _______________.
Ans✓✓✓flight
A jellyfish planula develops into a ______________. Ans✓✓✓polyp
A large brain-to-body ratio indicates that ________________________.
Ans✓✓✓there is a great capacity for decision-making in the brain
A major difference between the development of invertebrates and that of
vertebrates is that ___________________________________.
Ans✓✓✓most invertebrates undergo indirect development, while most
vertebrates undergo direct development
A mammal's brain is about 15 times larger than a reptile of similar size.
Most of the increase in size and weight is due to the size of the
mammal's ________. Ans✓✓✓cerebrum
, A meat eater (carnivore) would be considered a(n)
__________________________. Ans✓✓✓heterotroph
A monocot would have only one ____________________, an
embryonic leaf with the seed. Ans✓✓✓cotyledon
A new plant growing from a bud in the eye of a potato is an example of
__________________. Ans✓✓✓vegetative reproduction
A pistil is formed by fusing together several carpels, and the pistil is
composed of __________________________. Ans✓✓✓a stigma, style,
and ovary
A placental mammal is likely to have young that develop
_______________________. Ans✓✓✓longer before birth than other
mammals
A plant hormone that is often used to ripen fruit is _______________.
Ans✓✓✓ethylene
A plant that has flower parts that occur in multiples of four or five is
usually a _________________. Ans✓✓✓dicot
A pollen tube grows toward the ovule because
______________________. Ans✓✓✓the ovule releases a chemical
which stimulates the growth
