BIOL 2251 Exam 3 – Questions With Step By Step
Solutions (A+)
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Terms in this set (146)
Which is the primary To initiate reproductive diapause and extend lifespan
function of low juvenile
hormone (JH) levels in the
monarch butterfly's
supergeneration?
Which environmental cues Cooler temperatures and shorter daylight hours
trigger the formation of the
monarch supergeneration?
Which factors contribute to - They live 8 times longer than other monarchs
the special generation of - They are larger in size
monarch butterflies that - They have a special hormone that prevents aging
migrate to Mexico in one
go?
How do monarch - They use polarized light
butterflies navigate on - They use special clls in their eyes to detect the sun
cloudy days?
What does the monarch Its antenna clock and solar compass
butterfly use to orient itself
during migration?
What factor is essential to Protecting habitats across the continent
preserving the monarch
butterfly migration?
Which of the following are - Solar compass and antenna clock
crucial for the monarch's - A circannual clock
migration?
What part of the monarch Antennae
butterfly is used to track
time during migration?
,How long does it typically 4-5 generations
take for the monarch
butterflies to make the trip
north?
The sea star's movement is False 1 multiple choice option
controlled by a central
brain that sends out signals.
Tube feet can also serve as True 1 multiple choice option
a sensory structure.
All sea stars and other False 1 multiple choice option
echinoderms care for their
offspring the same way as
the six-rayed sea star.
What is the process the It extends its stomach into a shell to digest the prey
baby sea star uses to digest alive
its prey?
What helps sea stars move? Tube feet
Which of the following The ampullae squeeze water into the tube feet
helps to extend the tube
feet?
What is the special It broods its embryos and larvae
behavior of the six-rayed
sea star in raising its
offspring?
What does the sea star do It begins crawling toward the source
when it gets close to a
smell it likes (like a mussel)?
What do the baby sea stars They live off stored energy already inside them
survive on before they
develop a mouth?
What do the baby sea stars Temporary limbs called brachiolar arms
use to hold onto their mom
and their siblings?
Which of the following are - Swimming in tight spaces
physical feats made - Speed
possible by a fish's form? - Leaping out of water
, - Sharks can launch their jaws out of their mouths to
grab prey
- Great white sharks slice prey with triangular, serrated
Which of the following are
upper teeth and hold it with pointy lower teeth
shark characteristics?
- Ampullae of Lorenzini detect electrical signals from
prey
- Shark teeth are coated in fluoride to prevent cavities
The majority of fish species, True 1 multiple choice option
about 85%, use their bodies
and tails for propulsion.
Eels generate motion using False 1 multiple choice option
only their caudal fins.
A sailfish can stop mid- True 1 multiple choice option
swim by using its dorsal fin
as a brake.
How do sharks stay By having large, oily livers
buoyant in the water?
Which of the following are - It reduces noise and drag in water
features of shark skin? - It has dermal denticles for a coarse texture
One-third of shark species True 1 multiple choice option
are currently threatened
due to overfishing.
Match the fish to its body Moves using pectoral fins
feature or function:
Handfish
Match the fish to its body Uses its spines for defense
feature or function:
Pufferfish
Match the fish to its body Lacks a tail (caudal fin)
feature or function:
Ocean sunfish
Match the fish to its body Uses fins as makeshift tails (caudal fins)
feature or function:
Seahorse
Solutions (A+)
Save
Terms in this set (146)
Which is the primary To initiate reproductive diapause and extend lifespan
function of low juvenile
hormone (JH) levels in the
monarch butterfly's
supergeneration?
Which environmental cues Cooler temperatures and shorter daylight hours
trigger the formation of the
monarch supergeneration?
Which factors contribute to - They live 8 times longer than other monarchs
the special generation of - They are larger in size
monarch butterflies that - They have a special hormone that prevents aging
migrate to Mexico in one
go?
How do monarch - They use polarized light
butterflies navigate on - They use special clls in their eyes to detect the sun
cloudy days?
What does the monarch Its antenna clock and solar compass
butterfly use to orient itself
during migration?
What factor is essential to Protecting habitats across the continent
preserving the monarch
butterfly migration?
Which of the following are - Solar compass and antenna clock
crucial for the monarch's - A circannual clock
migration?
What part of the monarch Antennae
butterfly is used to track
time during migration?
,How long does it typically 4-5 generations
take for the monarch
butterflies to make the trip
north?
The sea star's movement is False 1 multiple choice option
controlled by a central
brain that sends out signals.
Tube feet can also serve as True 1 multiple choice option
a sensory structure.
All sea stars and other False 1 multiple choice option
echinoderms care for their
offspring the same way as
the six-rayed sea star.
What is the process the It extends its stomach into a shell to digest the prey
baby sea star uses to digest alive
its prey?
What helps sea stars move? Tube feet
Which of the following The ampullae squeeze water into the tube feet
helps to extend the tube
feet?
What is the special It broods its embryos and larvae
behavior of the six-rayed
sea star in raising its
offspring?
What does the sea star do It begins crawling toward the source
when it gets close to a
smell it likes (like a mussel)?
What do the baby sea stars They live off stored energy already inside them
survive on before they
develop a mouth?
What do the baby sea stars Temporary limbs called brachiolar arms
use to hold onto their mom
and their siblings?
Which of the following are - Swimming in tight spaces
physical feats made - Speed
possible by a fish's form? - Leaping out of water
, - Sharks can launch their jaws out of their mouths to
grab prey
- Great white sharks slice prey with triangular, serrated
Which of the following are
upper teeth and hold it with pointy lower teeth
shark characteristics?
- Ampullae of Lorenzini detect electrical signals from
prey
- Shark teeth are coated in fluoride to prevent cavities
The majority of fish species, True 1 multiple choice option
about 85%, use their bodies
and tails for propulsion.
Eels generate motion using False 1 multiple choice option
only their caudal fins.
A sailfish can stop mid- True 1 multiple choice option
swim by using its dorsal fin
as a brake.
How do sharks stay By having large, oily livers
buoyant in the water?
Which of the following are - It reduces noise and drag in water
features of shark skin? - It has dermal denticles for a coarse texture
One-third of shark species True 1 multiple choice option
are currently threatened
due to overfishing.
Match the fish to its body Moves using pectoral fins
feature or function:
Handfish
Match the fish to its body Uses its spines for defense
feature or function:
Pufferfish
Match the fish to its body Lacks a tail (caudal fin)
feature or function:
Ocean sunfish
Match the fish to its body Uses fins as makeshift tails (caudal fins)
feature or function:
Seahorse
