Explain how the boll weevil populations changed, Biology

Assignment Help:

The boll weevil, an insect native to Mexico and Central America, is another pest of commercial cotton. When chemical insecticides were first discovered, they proved highly effective in controlling boll weevil outbreaks. Within a few decades, however, many boll weevil populations were resistant. Using what you've learned in this chapter, explain how the boll weevil populations changed.


Related Discussions:- Explain how the boll weevil populations changed

Shoot multiplication -clonal propagation, Shoot Multiplication -Clonal Prop...

Shoot Multiplication -Clonal Propagation This is the most important step with respect to the rate of propagation and genetic uniformity of the product. The most reliable and

What is the resting membrane voltage of the neuron, What is the resting mem...

What is the resting membrane voltage of the neuron A complete motor neuron is removed from a frog and placed in normal physiological saline at 1 AM.  The neuron is healthy.  At

Response to wounding, Response to Wounding Wounding of tomato plants b...

Response to Wounding Wounding of tomato plants by mechanical injury or chewing by insects releases a factor that triggers accumulation of two proteinase inhibitors-throughout

Higher calorific value (hcv) or gross calorific value (gcv), It is defined ...

It is defined as the total amount of heat produced, when unit mass/volume of the fuel has been burnt completely and the products have been cooled to room temperature (~ 15 0 C).

Homework, why do ecological models commonly have limited applications?

why do ecological models commonly have limited applications?

What do you mean by taxonomist, Q. What do you mean by Taxonomist? Mode...

Q. What do you mean by Taxonomist? Modern classification systems are based on many types of evidence. A truly natural classification is obtained from analysis and harmonisation

Lower respiratory tract, Lower Respiratory Tract: Trachea:   ...

Lower Respiratory Tract: Trachea:   Trachea or windpipe  is 12 cm long, 2.5 cm in diameter lying in front of the esophagus and  ends opposite the fourth dorsal

Define the metabolism and respiration of cornea, Define the metabolism and ...

Define the metabolism and respiration of cornea. Metabolism and Respiration of Cornea The cornea requires energy for the maintenance of its transparency. Energy in

What is the prevailing wind direction, what is the prevailing wind directio...

what is the prevailing wind direction in equatorial regions affected by the trade winds? a) The wind blows from east to west b) the wind blows from west to east

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd