Species resistance - Study guides, Class notes & Summaries

In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - correct answer Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OH- concentration of the solution? - correct answer 10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurat...

(Pests and Pest Control) Natural forces are important because: a. you cannot do anything about them b. they can cause pest populations to rise and fall c. you can never spray anywhere in the winter time d. the rain and wind always makes it necessary to respray the area - b. they can cause pest populations to rise and fall (Pests and Pest Control) Biological control: a. is always 100% effective b. is never complete c. never occurs naturally d. always interferes with commercial chemical ...

Minnesota Pesticide Applicator Practice Test Questions And Verified Correct Answers 1. What is a drawback of heavy dependence on pesticide us? a. It is extremely expensive b. Pest resistance c. It negatively affects crop yields d. None of the above - ANSWER : b. Pest resistance 2. ____________ are pesticides that are either naturally derived or synthesized. a. Chemical controls b. Biologic controls c. Natural controls d. Applied controls - ANSWER : a. Chemical controls 3. Contin...

What is a drawback of heavy dependence on pesticide us? a. It is extremely expensive b. Pest resistance c. It negatively affects crop yields d. None of the above - ANSWER-b. Pest resistance ____________ are pesticides that are either naturally derived or synthesized. a. Chemical controls b. Biologic controls c. Natural controls d. Applied controls - ANSWER-a. Chemical controls Continual use of the same pesticide can lead to? a. Pesticide resistance b. Loss of public support c. L...

AQA GCSE BIOLOGY 8461/2H Paper 2 Higher Tier *236G84612H/MS* Version: 1.0 Final *jun2384612H01* IB/M/Jun23/E21 8461/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Friday 9 June 2023 Afternoon Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. ...

Section A You should spend a maximum of 25 minutes on this section. Write your answer for each question in the box provided. 1 Which statement describes a problem that has resulted from the increased use of antibiotics? A Penicillin can no longer be used to treat infections. B Rates of MRSA infection have increased. C Some bacteria and fungi have evolved resistance to antibiotics. D Viral infections can no longer be treated with antibiotics. Your answer [1] 2 The diagram shows a compute...

What are some of the basic principles of Integrated pest management? - ANSWER1.) PREVENTION: Produce healthy plants that resist plants: (Selecting healthy plants, using certified seed, providing good growing conditions, and making a good match between the plant and the site) 2.) MONITOR AND IDENTIFY THE PEST: Identify the problem: (Finding out whether the damage to a particular plant is caused by a pest or by an environmental condition such as freezing or drought and always determine the exact ...

Test bank for Ecology: The Economy of Nature 9e 9th Edition by Rick Relyea. ISBN-13: 5542 Full Chapters test bank included Chapter 1 An Introduction to Ecology 1.1 Ecological Systems Exist in A Hierarchy of Organization Individuals Populations Communities Ecosystems The Landscape The Biosphere 1.2 Physical and Biological Principles Govern Ecological Systems Conservation of Matter and Energy Dynamic Steady States Evolution 1.3 Different Organisms Play Diverse Roles in Ecological...

Turf & Landscape Questions and Answers Already Passed Describe the kinds of damage arthropod pests can cause. Chewing mouth parts: tearing damage, notched or ragged leaves, holes in fruits and seeds, gridled stems, and chewed off roots Piercing-sucking mouth parts (needle like feeding on plant tissue): yellowed leaves, galls, and misshapen fruit (often mistaken by plant diseases) *Piercing mouth transmit diseases easier Summarize the advantages and disadvantages of the types of fo...

Advanced Pathophysiology UTMB 5355 EXAM 2: Questions With Verified Solutions Oncogenes - ANS cancer causing genes, promote uncontrolled growth of cells Proto-oncogenes - ANS promote normal cell growth factor and division If proto-oncogenes are mutated the become - - ANS Oncogenes Tumor Suppressor Genes (TSGs) are - ANS Antioncogenes antioncogenes - ANS inhibit tumor progression & prevent mutations Cancer develops with increase in - and decrease in - - ANS oncogenes, ...