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ENVS 2210 Final Exam/286 Questions and answers A+ Scores
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ENVS 2210 Final Exam/286 Questionsand answers A+ Scores
Why are bees great study subjects? - -Social
Characteristics of human interest
Architecture masters
Dance language
Pheromone communication
Evolution studies
Co-evolution between bees and flowers
Convenient and interesting
-Why are bees beneficial and productive insects? - -Honey
Crop pollution
Hive products
Source of entertainment
-What is beekeeping? - -The art of providing honey bees a dwelling and
manage them according to season
-When did humans begin to hunt bees? - -9000-10000 years ago to steal
honey
-When did beekeeping begin? - -When humans learned to safeguard
swarms and colonies by providing care
-Where are the earliest records of beekeeping from? - -Egypt 4000-5000
years ago
-How did the Babylonians keep bees? - -In pottery hives
-What are hives made of? - -Pottery
Wood
Wicker
Straw
Cork
-Are there any native bees to the New World? - -No
-When was the Western Honey Bee introduced to the New World? - -17th
century by Europeans
-Who was Reverend Lorenzo L. Langstroth? - -1851 hive design
Moveable frames
,9mm passage space
Father of modern beekeeping
-How many hives are there today? - -55 million
-How much honey is produced today? - -950 million kg
-How much beeswax is produced today? - -25 million kg
-What order are bees in? - -Hymenoptera (4 membranous wings)
-What is the evolutionary origin of bees? - -Believed to have evolved from
sphecoid wasp ancestor that preyed upon other insects but switched to a
vegetarian diet
-What is the full classification of the Western Honey Bee? - -Kingdom:
Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Superfamily: Apoidea
Family: Apidae
Genus: Apis
Species: Apis mellifera
-Are bees holo or hemimetabola? - -Holometabola as they go through
complete metamorphosis
-How long is the egg stage? - -3 days
-How long is the larva stage? - -5.5 days for queen
6 days for worker
7 days for drone
-How long is the pupa stage? - -7.5 days for queen
12 days for worker
14 days for drone
-What are the total development times? - -16 days for queen
21 days for worker
24 days for drone
-What does the egg consist of? - -Embryo and nutrients
-What does the larva stage consist of? - -5 instars/sub-stages
Moulting between each stage
, -Why is moulting needed in the larval phase? - -Since the exoskeleton is
rigid and to allow for growth
-When does the digestive system fully develop? - -Larval stage
-Who feeds royal jelly to larvae? - -Nurse bees
Feed pollen and nectar to future workers and drones
-What makes up the last moult? - -Workers close cells with wax cappings
Larvae uncurl and spin a silk cocoon
-What does the pupa stage consist of? - -Change to adult that is hormone
controlled by ecdysone and juvenile hormone
Pupa emerges by chewing out through the cell capping
-What makes up the exoskeleton? - -Hardened plates made of chitin and
other proteins connected by membranes
-What is the function of the exoskeleton? - -Protection, support, and
attachment for muscles and organs
Prevents dehydration
-What is the head made of? - -Sensory and digestive structures (eyes,
antennae, mouthparts)
-What are the two types of eyes? - -3 ocelli, 2 compound eyes
-What are ocelli? - -Simple lenses
Detect light intensity
Flight orientation
No image produced
-What are compound eyes? - -Single eyes/ ommatidia (facets)
Fixed lens looking in specific direction
Detect plane of polarized light
Images of motion/colour
Mosaic compound images
-What type of light do bees see? - -UV
Blue
Green
Yellow
-Why is seeing UV important for bees? - -To locate nectar
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