ENTOMOLOGY 205 - Exam #2
April 19, 2000 NAME ___________________________
Read directions and questions carefully. Think before you respond. GOOD LUCK.
HONESTY IS EXPECTED.
I.
FILL-INS (4 pts
each blank). Fill in each blank with the most accurate and appropriate word or
phrase that completes the sentence in the context of this course. There may be more than 1 correct answer.
1. A male insect increases activity upon sensing a female pheromone. This is an example of KINESIS, TAXIS, LEARNED behavior. (Circle one) What type of receptor of a male would sense the pheromone ______________________ and where would this sensory receptor be located? ____________________________ Give a specific example of an insect where a pheromone is used by a male to detect a female. _________________________________
2. The _________________ gland in a female releases the hormone ___________________
resulting in ________________________ cells increasing their activity and size in the process ( behavior) of _______________________.
3. Industrial melanism of the peppered moth- was the population polymorphic before coal soot killed the lichens? YES or NO. Explain your yes or no answer. ________________
________________________________________________________________________
Peppered moth populations changed as the tree bark darkened- was this evolution? YES or NO. Explain your yes or no answer._________________________________________
________________________________________________________________________
4. Direct flight muscles occur in the insect _______________________ where as most insects have indirect flight muscles. We can see this difference when such an insect flies because ________________________________________________________________.
For the insect you listed above, does the male transfer sperm DIRECTLY or INDIRECTLY to the female? (circle one) Explain your choice. ____________________
________________________________________________________________________
5. The female butterfly egg develops in the ____________________, it is fertilized by sperm stored by the female in her ________________________ and then the egg is placed on a leaf surface. The zygote embryo develops as a result of _____________________ within the egg. The egg hatches to yield a (an) _______________________________.
6. Insects make sounds in different ways and to communicate different things. Give two different examples of insects supplying the following for each:
Insect How is sound How is sound What is
Example produced? received? communicated?
1.______________________________________________________________________
2.______________________________________________________________________
7. Connect terms in Column 1, 2, and 3 with a solid line that are all a part of the insect digestive system. (Not all terms will be used.)
gastric caecae accessory pulsatile tracheoles
organ
taenidia malpighian tubules oviduct
aorta spiracle crop
ovipositor rectum heart
8. Look again at the three columns above. Another internal system has a representative structure in all three columns. Which one? ____________________________ Connect this second internal system with a dashed line. (Connect a structure in all three columns.)
9. Domestic animals were used by Charles Darwin to develop his Theory of Evolution. He saw that humans could __________________ traits or characteristics in animals and over time this resulted in ____________________________ in their appearance. Give an example of insect evolution utilizing the two terms filled in the blanks above. _________
______________________________________________________________________
10. A cockroach grasps a piece of dog food you put out for your pet by using its _______________. The dog food passes from _______________ to _______________ . In the latter, (3rd blank above) enzymes break down protein and sugars into simple ones so that the food may be absorbed out of the digestive tract into the __________________.
What portion will reabsorb water and salts?____________________________________
11. The monarch butterfly lays eggs on _____________________ where the caterpillar feeds. The caterpillar is brightly colored (termed _____________________ ) to advertise to enemies that it ______________________________. The caterpillar that successfully completes its growth changes to a ___________________________ and eventually a new adult emerges. Where does the adult female feed? ___________________________
12. Where did the painted lady butterflies spend the early part of this year? _____________
Most insects during the same time survived by ____________________________ in what stage of metamorphosis? __________________________________What conditions were unfavorable to continued insect growth and reproduction during the first months of this year? ________________________________________________________
13. Give an example (other than mate attraction) of a behavior a pheromone might influence. ___________________________________Give an insect example where this occurs. __________________________ Give an example of a behavior in which compound eyes serve as receptors _____________________________ and the behavior we might see as a result of reception of a signal. _________________________________________
14. Three examples of defensive coloration in insects are: (1) _________________________
(2) ______________________________ (3) __________________________________. If two insects look very alike in color patterns, then the similar pattern might be an example of __________________________________.
15. In the order _________________ reproduction by parthenogenesis means females __________________________________ and males __________________________. In the order __________________________ males and females may be dimorphic meaning ________________________________________________________
II. DIAGRAMS/VISUALS (6 PTS EACH -
30 TOTAL). Answer all five questions below.
16. An insect (a bee) moves from one flower to another. Illustrate its movement pattern if orientation from 1 flower to another is a:
Kinesis Taxis
Explain in 1 sentence the same movement of the bee from 1 flower to the other using anthropomorphic terms:
17. Diagram a reflex arc and label appropriate parts.
18. Diagram below is of an insect cut longitudinally in half. Draw three internal systems, illustrating and labeling the major organs of the 3 systems you have added.
19. Diagram the journey an insect sperm cell might make starting with where it is produced and ending where it would fertilize an egg.
20. Complete table blanks.
|
Geologic ERA or PERIOD |
Evolution Event |
Insect Order |
|
Paleozoic ___________________ ___________________ |
___________________ ___________________ Flowering Plant Pollinator |
Odonata _________________ _________________ |
III. ESSAY (10 pts total). Answer
completely the question below.
Insects are successful because .... Explain three reasons - one of which should be anatomy related.