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Topic:
Biology Assessment Test
Coursework Instructions:
This is an assessment; please see attachment. thank you
Coursework Sample Content Preview:
Question 1
Banana is an agricultural crop that is exclusively reproduced by cloning. Which of the following statements best explains why banana crops are so vulnerable to devastating epidemics of pathogenic fungi and other pests?-
A- Banana plant clones are all essentially the same genetically, so a disease strain that can attack one plant can attack all the plants in the crop.
HTMLCONTROL Forms.HTML:Option.1 Banana plant clones are all essentially the same genetically, so a disease strain that can attack one plant can attack all the plants in the crop. HTMLCONTROL Forms.HTML:Option.1 Clones are more likely to acquire genetic mutations that make them susceptible to disease. HTMLCONTROL Forms.HTML:Option.1 Banana plants grow in the tropics, which contain a higher diversity of plant diseases. HTMLCONTROL Forms.HTML:Option.1 Banana plants have lowered fitness due to a greater frequency of homozygous deleterious recessive alleles.
Question 2
One indication that a population is in a period of exponential growth is that ________.
D- The birth rate far exceeds the death rate
HTMLCONTROL Forms.HTML:Option.1 the birth rate is slightly higher than the death rate HTMLCONTROL Forms.HTML:Option.1 the death rate is almost equal to the birth rate HTMLCONTROL Forms.HTML:Option.1 the death rate exceeds the birth rate HTMLCONTROL Forms.HTML:Option.1 the birth rate far exceeds the death rate
Question 3
When a population's doubling time is_______ , the population increases more rapidly.
Answer-A-lower
HTMLCONTROL Forms.HTML:Option.1 lower HTMLCONTROL Forms.HTML:Option.1 higher HTMLCONTROL Forms.HTML:Option.1 equal HTMLCONTROL Forms.HTML:Option.1 longer
Question 4
The characteristics that scientists use to distinguish different freshwater environments from each other are ________.
C- Rate of water movement and availability of light
HTMLCONTROL Forms.HTML:Option.1 depth of water and rate of water movement HTMLCONTROL Forms.HTML:Option.1 temperature and water depth HTMLCONTROL Forms.HTML:Option.1 rate of water movement and availability of light HTMLCONTROL Forms.HTML:Option.1 precipitation and availability of light
Question 5
In spite of natural factors that might influence human population growth rates, population growth in some countries appears to be declining because ________.
C- Families and individuals make choices to have fewer children
Answer
HTMLCONTROL Forms.HTML:Option.1 humans have exceeded their carrying capacity HTMLCONTROL Forms.HTML:Option.1 the incidence of disease epidemics has increased worl...
Banana is an agricultural crop that is exclusively reproduced by cloning. Which of the following statements best explains why banana crops are so vulnerable to devastating epidemics of pathogenic fungi and other pests?-
A- Banana plant clones are all essentially the same genetically, so a disease strain that can attack one plant can attack all the plants in the crop.
HTMLCONTROL Forms.HTML:Option.1 Banana plant clones are all essentially the same genetically, so a disease strain that can attack one plant can attack all the plants in the crop. HTMLCONTROL Forms.HTML:Option.1 Clones are more likely to acquire genetic mutations that make them susceptible to disease. HTMLCONTROL Forms.HTML:Option.1 Banana plants grow in the tropics, which contain a higher diversity of plant diseases. HTMLCONTROL Forms.HTML:Option.1 Banana plants have lowered fitness due to a greater frequency of homozygous deleterious recessive alleles.
Question 2
One indication that a population is in a period of exponential growth is that ________.
D- The birth rate far exceeds the death rate
HTMLCONTROL Forms.HTML:Option.1 the birth rate is slightly higher than the death rate HTMLCONTROL Forms.HTML:Option.1 the death rate is almost equal to the birth rate HTMLCONTROL Forms.HTML:Option.1 the death rate exceeds the birth rate HTMLCONTROL Forms.HTML:Option.1 the birth rate far exceeds the death rate
Question 3
When a population's doubling time is_______ , the population increases more rapidly.
Answer-A-lower
HTMLCONTROL Forms.HTML:Option.1 lower HTMLCONTROL Forms.HTML:Option.1 higher HTMLCONTROL Forms.HTML:Option.1 equal HTMLCONTROL Forms.HTML:Option.1 longer
Question 4
The characteristics that scientists use to distinguish different freshwater environments from each other are ________.
C- Rate of water movement and availability of light
HTMLCONTROL Forms.HTML:Option.1 depth of water and rate of water movement HTMLCONTROL Forms.HTML:Option.1 temperature and water depth HTMLCONTROL Forms.HTML:Option.1 rate of water movement and availability of light HTMLCONTROL Forms.HTML:Option.1 precipitation and availability of light
Question 5
In spite of natural factors that might influence human population growth rates, population growth in some countries appears to be declining because ________.
C- Families and individuals make choices to have fewer children
Answer
HTMLCONTROL Forms.HTML:Option.1 humans have exceeded their carrying capacity HTMLCONTROL Forms.HTML:Option.1 the incidence of disease epidemics has increased worl...
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