Homework Answers
1. Parasitism and resources
Density dependent growth is affected by 4 factors that are predation, parasitism, competetion for resources and disease
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the Where is the greatest #of individual addeo per unit tim Where is Births are almost...
help out please for number 1 and 2 1. 2. An extinct species of dinosaur was...
help out please for number 1 and 2
1.
2.
An extinct species of dinosaur was thought to only have 1-2 offspring at a time. Based on this information and your knowledge of life history traits, you predict that the species also: had low levels of parental care. had a low risk of mortality at a young age. reached sexual maturity at an early age. was very short lived. All of the above. Which of the following would be considered...
Populations grow when the number of births in a population is greater than the number of...
Populations grow when the number of births in a population is greater than the number of deaths in the same population and there is no net movement of individuals into or out of the population. This is to say that all else being equal, populations grow when the birth rate exceeds the death rate and shrink when death rates exceed birth rates. When the number of births is equal to the number of deaths in a population, and again, there...
38. Which gas is increasing in the atmosphere and threatening the world with an enhanced greenhouse...
38. Which gas is increasing in the atmosphere and threatening the world with an enhanced greenhouse effect? a. nitrogen b. carbon dioxide c. neon d. fluorocarbons 39. The role an organism plays in the community of an ecosystem that can be described in terms of space, food, temperature, moisture, etc., is called its: a. niche b. microhabitat c. community d. habitat 40. A one-way relationship in which one species benefits at the expense of another is: a. commensalism b. symbiosis...
Which pattern of survivorship is most likely for an organism such as the penguin, which produces only a single offspring at a time,
7. Which pattern of survivorship is most likely for an organism such as the penguin, which produces only a single offspring at a time, provides a lot of parental care and has a relatively long lifespan? Most offspring survive for most of their potential life span and then die at approximately the same time. The probability of death due to natural causes is high throughout the life span. Survivorship is low early in life and then levels off. Young individuals have a...
Sea lions can live into their thirties and produce no more than one pup per year....
Sea lions can live into their thirties and produce no more than one pup per year. A sea lion is a(an) __ species. type II opportunistic K-selected r-selected type III 2.5 points QUESTION 2 Which of the following factors is NOT a density-independent factor? earthquakes snowstorms competition hurricanes tsunamis 2.5 points QUESTION 3 In which type of population distribution would plot sampling be most accurate? clumping uniform random random and clumping uniform and clumping 2.5 points QUESTION...
question： 1. A sample consists of 1,388 observations, where the unit of observation is an individual....
question：
1. A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(a) The population model implied by the regression output
is
(b) The (population) parameter of interest is
(c) The estimate of the parameter of interest is
(d) Interpret...
1. A sample consists of 1,388 observations, where the unit of observation is an individual. packsi...
1. A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(a) The population model implied by the regression output
is
(b) The (population) parameter of interest is
(c) The estimate of the parameter of interest is
(d) Interpret the...
A sample consists of 1,388 observations, where the unit of observation is an individual. packsi is...
A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(1) The population model implied by the regression output
is
(2) In the space below, provide a variable that could possibly
affect your dependent variable, but was not accounted for...
can anyone help me with these questions for ecology. thanks! the 1000 IN-dN/dt A Population size...
can
anyone help me with these questions for ecology. thanks!
the 1000 IN-dN/dt A Population size the dN/dt = IN (K-N)/K y = 164.170.1387x bio Number of individuals 10 3512 909 95209 Time FIGURE 1 29 3 10 Time years FIGURE 4 Population densities of individual species 000.01 Environmental gradient- (such as temperature or moisture) 09 FIGURE 2 9812 909 Life table of a hypothetical population FIGURE 5 00001 Total # indiv in survivorship fecundity next time period Current #...
31. Which of the following is NOT an anti-predator defense mechanism? A. Plant chemicals, including coffee...
31. Which of the following is NOT an anti-predator defense mechanism? A. Plant chemicals, including coffee and tea caffeine, make caterpillars sick or jittery. B. The large eyespots on a moth's wing are exposed abruptly to startle a hungry bird. C. Many trees, vines, and shrubs have stems lines with long thorns. D. Many plants have brightly colored fruit and flowers. 32. An intimate relationship between two different species is called A. competition. B. a community. C. an ecosystem.D. symbiosis....
help out please for number 1 and 2
1.
2.
An extinct species of dinosaur was thought to only have 1-2 offspring at a time. Based on this information and your knowledge of life history traits, you predict that the species also: had low levels of parental care. had a low risk of mortality at a young age. reached sexual maturity at an early age. was very short lived. All of the above. Which of the following would be considered...
Populations grow when the number of births in a population is greater than the number of deaths in the same population and there is no net movement of individuals into or out of the population. This is to say that all else being equal, populations grow when the birth rate exceeds the death rate and shrink when death rates exceed birth rates. When the number of births is equal to the number of deaths in a population, and again, there...
38. Which gas is increasing in the atmosphere and threatening the world with an enhanced greenhouse effect? a. nitrogen b. carbon dioxide c. neon d. fluorocarbons 39. The role an organism plays in the community of an ecosystem that can be described in terms of space, food, temperature, moisture, etc., is called its: a. niche b. microhabitat c. community d. habitat 40. A one-way relationship in which one species benefits at the expense of another is: a. commensalism b. symbiosis...
question：
1. A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(a) The population model implied by the regression output
is
(b) The (population) parameter of interest is
(c) The estimate of the parameter of interest is
(d) Interpret...
1. A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(a) The population model implied by the regression output
is
(b) The (population) parameter of interest is
(c) The estimate of the parameter of interest is
(d) Interpret the...
A sample consists of 1,388 observations, where the unit of
observation is an individual. packsi is the number of packs of
cigarettes woman i smoked per day while pregnant, and bwghti is the
birth weight (in ounces) of the woman’s child. Given the
information found in the attached STATA output,
(1) The population model implied by the regression output
is
(2) In the space below, provide a variable that could possibly
affect your dependent variable, but was not accounted for...
can
anyone help me with these questions for ecology. thanks!
the 1000 IN-dN/dt A Population size the dN/dt = IN (K-N)/K y = 164.170.1387x bio Number of individuals 10 3512 909 95209 Time FIGURE 1 29 3 10 Time years FIGURE 4 Population densities of individual species 000.01 Environmental gradient- (such as temperature or moisture) 09 FIGURE 2 9812 909 Life table of a hypothetical population FIGURE 5 00001 Total # indiv in survivorship fecundity next time period Current #...
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