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

Life style modification in management of diabetes mellitus, Life style modi...

Life style modification in the management of diabetes mellitus All of us have our own way of living. It becomes a routine when we do things in the same way. But when one falls

Explain the characteristics of cancer, Explain the Characteristics of Cance...

Explain the Characteristics of Cancer? The important characteristics of cancer are excessive cellular multiplication, invasiveness and autonomy. The active process of invasion

Are gametes always made by meiosis, Q. Are gametes always made by meiosis? ...

Q. Are gametes always made by meiosis? In the haplontic haplobiontic life cycle and in the plant life cycle (diplobiontic life cycle) gametes are made by mitosis and not by mei

Causes of oesophagitis, Q. Causes of oesophagitis? The causes include t...

Q. Causes of oesophagitis? The causes include tissue erosion by hydrocliloric acid (EIC1) and pepsin, with symptoms of substernal burning, cramping, pressure sensation or sever

Theory of embryology - germ layer theory , GER M LAYER THEORY - Propos...

GER M LAYER THEORY - Proposed by Pander, studied chick embryo development. Coined the term ectoderm, mesoderm & endoderm.

Hybridoma, Hybridoma is the clone of plasmacytoma cells which secrete a mo...

Hybridoma is the clone of plasmacytoma cells which secrete a monoclonal antibody; commonly produced by the fusion of peripheral or splenic plasma cells taken from the immunized mo

Humans which distinguish them from other primates, State two characteristic...

State two characteristics of humans which distinguish them from other primates. Two features which differentiate humans from other primates are their upright posture and their

Explain about the biofertilizers, Explain about the Biofertilizers Biof...

Explain about the Biofertilizers Biofertilizers, are the cultures of microorganisms used for inoculating seed or soil or both under ideal conditions to increase the availabilit

What do you mean by hemichordata, Q. What do you mean by Hemichordata ? ...

Q. What do you mean by Hemichordata ? Hemichordates re vermiform (worm-like) animals which have few characters like those of the chordates, hence the name hemichordata (hemi :

Electrophoresis, Electrophoresis is the technique of separating the large ...

Electrophoresis is the technique of separating the large molecules (for instance DNA fragments or proteins) from the mixture of identical molecules. An electric current is passed

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