ENY 3005 Study Guide - Quiz Guide: Oligolecty, Anemophily, Entomophily

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flervil

16 Mar 2023

School

University of Florida

Department

Entomology

Course

ENY 3005

Professor

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Document Summary

What insects are thought to be the first pollinators? (p. 213) flying coleoptera. What is the difference nutritionally between nectar and pollen and on which do insects feed? (p. 214) Nectar: aqueous fluid rich in sugars plus nutrients that are proteins, acids, and lipids. Which orders are the most common pollinators? (pp. Why do some plants put nectar deep within the flower? so that casual visitors are unable to reach it. Why is it beneficial for a plant to attract specific pollinators? (p. 301) because they are the most effective cross-pollinators, reduce competition for food. What percentage of plants employ each strategy? (p. 213) *anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Entomophily or insect pollination is a form of pollination whereby pollen of plants, especially but not only of flowering plants, is distributed by insects.

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Data Set 3

An entomologist was interested in the species of insects which pollinate flowers. She selected two plant species, annual sunflowers and blue sage. In addition to the difference in color, sunflowers have a broad open flower (actually a cluster of many tiny flowers) while blue sage is a smaller, more tubular flower. She then recorded the type and number of insects which visited the flowers of each plant species. Rather than report individual species, she decided to group the insects by family and report the number of visitations by all species of the same family as a percentage of the total number of visitations. Her data is listed below.

Insect family	% of total no. of visits to sunflower	% of total no. of visits to sage
Butterflies (Lepidoptera)	22.3	46.3
Bees and Wasps (Hymenoptera)	37.9	39.9
Beetles (Coleoptera)	28.7	0.5
Flies (Diptera)	9.8	12.3
true bugs (Hymenoptera)	1.3	1
Total Percentage	100	100

Hint: you might want to present this data as 2 separate graphs.

Which insect family serves as the most important pollinator both for sunflower and sage?

Which insect family has the greatest difference in visitation percentage between sunflower and sage?

Based on this data and other knowledge you have about different insects, formulate a hypothesis to explain why different types of insects visit flowers at different frequencies.

This is from Entomology class. Please help by answering all the questions. I appreciate your help :)

2. Cryptonephric Malpighian tubules

a. are found in some larval Coleoptera and Lepidoptera.

b. allows for the consumption of extremely dry food items.

c. have their distal ends embedded in the rectal wall.

d. Two of the above

e. All of the above

3. The coleopteran suborder that contains the greatest number of species is

a. Polyphaga

b. Myxophaga

c. Archostemata

d. Adephaga

e. None of the above

4. The Holometabola include the following orders:

a. Lepidoptera, Psocoptera, and Coleoptera

b. Coleoptera, Thysanoptera, and Neuroptera

c. Neuroptera, Diptera, and Hymenoptera

d. Diptera, Phthiraptera, and Coleoptera

e. None of the above

10. The dioptric apparatus is composed of

a. the retinular cells, the rhabdom, and the basement membrane.

b. the lens, cone, and the rhabdom.

c. the cone, the rhabdom, and the pigment cells.

d. the pigment cells, the cone, and the lens.

e. None of the above

11. Malpighian tubules function

a. in removing toxins and nitrogenous wastes from the hemolymph.

b. in removing water from excrement.

c. in maintaining chemical homeostasis.

d. Two of the above

e. All of the above

12. Active ventilation

a. occurs only with insects having a closed tracheal system.

b. is commonly found in sedentary insects.

c. is characteristic of insects living in aquatic environments.

d. Two of the above

e. None of the above

olivegnat514

Which most correctly describes the process of pollination in flowering plants?

The parent plant is dispersing its male offspring to mate with the female offspring of another plant.
	The plant is providing pollen as food for insect visitors.
	Pollen is the sperm of the parent plant and it is carried by the wind or an insect to the egg of another plant.
	Pollen from the anther of one flower is carried by insects to the anther of another flower.

blackhyena949

ENY 3005 Study Guide - Quiz Guide: Oligolecty, Anemophily, Entomophily

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