IIB Flashcards

(58 cards)

1
Q

Wing beat frequency of bee

A

200 cycles/second

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2
Q

Thoracic flight temperature

A

46 degrees Celsius

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3
Q

Average flight speed of worker bee

A

24 km/hour

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4
Q

Average flight speed with full nectar loads

A

6.5 m/sec / 23.4 km/hr

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5
Q

Unloaded worker bees average flight

A

7.5 m/sec / 27 km/hr

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6
Q

Bees can no longer fly if

A

Blood sugar falls below 1%

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7
Q

Africanized bees during swarm flights

A

30 mg of honey (w 20 mg sugars) and fly 60 km

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8
Q

The bee’s foreleg

A

Clean its antennae

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9
Q

The bee’s mid-leg

A

Helps with walking, for packing loads of pollen (sometimes propolis) into pollen baskets

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10
Q

A sticky resinous substance from buds of trees and use to seal up cracks of hive; bee glue

A

Propolis

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11
Q

The bee’s hind legs

A

Contain special combs and pollen press (worker bee); to brush, collect, pack, and carry back into the hive

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12
Q

Tiny holes along the sides of bee’s thorax and abdomen, how a bee breathes

A

Spiracles

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13
Q

Which hole does the tracheal mites gain access to the trachea?

A

First hole in the thorax

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14
Q

These are attached to the spiracles

A

Trachea (breathing tubes)

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15
Q

How many abdominal segments?

A

10 abdominal segments

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16
Q

This is the first abdominal segment

A

Propodeum

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17
Q

They are hidden inside the 7th segment

A

8th (found next to the 7th), 9th, and 10th segment

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18
Q

Two additional segments are found in the ?

A

Worker bee (stinger), Queen and Drone (reproductive organs)

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19
Q

These two additional segments are ?

A

Highly reduced, appear internally as small soft plates

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20
Q

A highly modified ovipositor evolved for its defensive function

A

Bee sting

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21
Q

The large basal structure of bee stinger (tapered, protruded sharp-pointe shaft)

A

Bulb of stylet

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22
Q

A solid structure shaft with three separable pieces

A

One above the stylet, two below the lancets

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23
Q

Why do bees die after stinging?

A

Massive abdominal rupture

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24
Q

The stinger left in the skin continues to pump venom for ?

A

30 - 60 seconds

25
There is lyses of blood and mast cells, also releases histamine and serotonin (mast cells), and depression of blood pressure and respiration, 50 dry weight % in venom
Melittin
26
Cell lyses, there is pain, toxicity; also synergistic with mellitin; 12 dry weight % in venom
Phospholipase A
27
Hydrolyzes connective tissue (spreading factor - opens up passages for other components), non toxic; <3 dry weight % in venom
Hyaluronidase
28
Involved in allergic reaction; <1 dry weight % in venom
Acid phosphatase
29
There is itching, pain; amount of venom is much lower than toxic levels or amount released by mast cells; <1 dry weight % in venom
Histamine
30
Wax production is used for ?
Comb construction
31
How is beeswax produced?
By modified epidermal cells (ventral on 4th - 7th abdominal segments); metabolizing honey in fat cells associated with the wax glands
32
8.4 kg of honey produces 991,000 wax scales and makes up ?
1 kg or 2.2 lb of wax
33
Workers need to eat pollen during ? to secrete wax later on
First 5 - 6 days of their life
34
Chemical composition of beeswax
Hydrocarbons (14%) Monoesters (35%) Diesters (14%) Hydroxy Polyesters (8%) Free Acids (12%)
35
A gland found beneath the tergite of the last abdominal segments (7th)
Nasanov / Scent gland
36
Nasanov gland is used for ?
Orientation at the nest entrance, swarm clustering, water collection sites, possibly at flowers
37
7 chemicals that make up Nasanov scent
Geraniol, Nerolic acid, Geranic acid (7), Citral, (Z) - citral, (E, E) Famsol, and Nerol
38
An enzyme for processing floral nectars into honey and oxidizes glucose into acid
Invertase
39
A brood food produced by the mandibular glands
10-hydroxy-2-decenoic acid
40
It opens at the posterior end into the crop
Esophagus
41
It is an expandable bag that holds honey ingested
Honey Stomach / Crop
42
It is found at the end of crop and prevents most liquid contents from passing through ventriculus or midgut
Proventriculus valve
43
It is where the solid food is digested and nutrients are absorbed
Ventriculus / Midgut
44
It absorbs nitrogenous wastes from blood and pass to intestines for excretion
Malphigian tubules
45
The bee’s circulatory system consists of ?
One dorsal heart and Aorta
46
The blood in the bee’s body cavity does what ?
The cells float freely in blood instead of receiving blood through vessels
47
The one-way valves where blood passes through after entering the heart (single blood vessel in abdominal part)
Ostia
48
They assist in pumping blood to extremities (basis of legs and wings)
Antennal vesicles
49
The function of circulatory system consists of:
Transporting food from midgut to body cells Removing waste material from cells and return to excretory organs Lubricating body movements Provide defense against pathogens using blood cells
50
Do bees have lungs?
No, but they use a system of tubes for breathing
51
This is the system of breathing tubes
Tracheae
52
The tracheae are connected by a series of holes in the cuticle called ?
Spiracles
53
When the bee is inactive, gas exchange operate simply by ?
Diffusion
54
How do bees cope in increased activity for gas exchange?
Pump their abdomens using expanded sacs of trachea as bellows
55
What is the nervous system of bees composed of?
Brain and seven ganglia
56
A queen bee has a well-developed?
Spermatheca and Vagina
57
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