Homework Answers
1) Dioecious plants produce-
A- carpellate and staminate flowers on separate plants
where the male and female reproductive systems occur on separate plants.
2) Exponential growth of a population is possibly
D- when resources are unlimited
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Dioecious plants produce carpellate and staminate flowers on separate plants carpellate and staminate flowers on the...
What is carrying capacity? A) the minimum population size that s particular environment can handle B)...
What is carrying capacity? A) the minimum population size that s particular environment can handle B) the maximum population size that a particular environment can handle C) when the population growth rate is increasing exponentially Logistical growth is density dependent. What would be the best explanation for the leveling off of the curve as you approach carry capacity? A) decrease in birth rates only B) increase in death rates only C) both a decrease in birth rates and increase in...
A logistically growing population exhibits slow population growth when population density is low. This occurs because...
A logistically growing population exhibits slow population growth when population density is low. This occurs because Select one: a. per capita birth and death rates are very similar b.r is close to o c. the number of individuals contributing to population growth is relatively low d. there is intense competition for limited resources
theoretical example of exponential growth inter EXERCISE 1 Understanding Population Growth row in a prea logarithmictive...
theoretical example of exponential growth
inter EXERCISE 1 Understanding Population Growth row in a prea logarithmictive capacity With optimal conditions (e.g., unrestricted resources and low competition), some populations grow in a predicable pattern. Early growth is relatively slow, after which growth is rapid. This rapid, logarithmic phase of growth represents the organism's blotic potential, which is its maximal reproductive capacity if given unlimited resources, exponential growth. N=(a)(21 Where: N = the number of individuals of a given generation. a =...
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...
Quiz 5 Help Save & Exit Subrn The logistic growth model predicts that the growth rate...
Quiz 5 Help Save & Exit Subrn The logistic growth model predicts that the growth rate of a population will decrease as the population size approaches the environment's carrying capacity. Under what circumstances would you predict that a population would increase in size over and above its carrying capacity? Multiple Choice When competition is high and there is a high frequency of disease and parasites When resources are declining more rapidly than reproduction is declining When high predation leads to...
Proximity to water Question 10 3 pts Which of the following would MOST quickly cause a...
Proximity to water Question 10 3 pts Which of the following would MOST quickly cause a population to shift from an exponential to a logistic population growth? Competition for resources Removal of predators O Decreased death rate Favorable climactic conditions 3 pts Question 11
Population Growth: Let P(t) be the number of rabbits in the rabbit population. In the simplest...
Population Growth: Let P(t) be the number of rabbits in the
rabbit population. In the simplest case we can assume the number of
rabbits born at any moment of time is proportional to the number of
rabbits at this moment of time. Mathematically we can write this as
a differential equation:
Here b is the birth rate, i.e. births per time unit per rabbit.
In the model above we ignore deaths and assume resources are
unlimited.
A. Solve the equation...
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...
Khan Academy Question 42 2 pts Which of the following causes populations to shift most quickly...
Khan Academy Question 42 2 pts Which of the following causes populations to shift most quickly from an exponential to a logistic population growth? decreased death rate favorable climatic conditions competition for resources O removal of predators Question 43 2 pts Which of the following relationships is detrimental to both species involved? O commensalism O competition O mutualism O parasitism
FU- Ch 18 Saved Help Save & Exit Submit Classify each of the following pairs of...
FU- Ch 18 Saved Help Save & Exit Submit Classify each of the following pairs of statements as follows: the first is greater than the second or the second is greater than the first. Assume migration does not occur. (Labels are in this format: Statement 1 - Statement 2) 0.43 ocints The amount of time for a population to reach its carrying capacity of 1,000 individuals if it follows a logistic growth model - The amount of time for the...
A logistically growing population exhibits slow population growth when population density is low. This occurs because Select one: a. per capita birth and death rates are very similar b.r is close to o c. the number of individuals contributing to population growth is relatively low d. there is intense competition for limited resources
theoretical example of exponential growth
inter EXERCISE 1 Understanding Population Growth row in a prea logarithmictive capacity With optimal conditions (e.g., unrestricted resources and low competition), some populations grow in a predicable pattern. Early growth is relatively slow, after which growth is rapid. This rapid, logarithmic phase of growth represents the organism's blotic potential, which is its maximal reproductive capacity if given unlimited resources, exponential growth. N=(a)(21 Where: N = the number of individuals of a given generation. a =...
Quiz 5 Help Save & Exit Subrn The logistic growth model predicts that the growth rate of a population will decrease as the population size approaches the environment's carrying capacity. Under what circumstances would you predict that a population would increase in size over and above its carrying capacity? Multiple Choice When competition is high and there is a high frequency of disease and parasites When resources are declining more rapidly than reproduction is declining When high predation leads to...
Proximity to water Question 10 3 pts Which of the following would MOST quickly cause a population to shift from an exponential to a logistic population growth? Competition for resources Removal of predators O Decreased death rate Favorable climactic conditions 3 pts Question 11
Population Growth: Let P(t) be the number of rabbits in the
rabbit population. In the simplest case we can assume the number of
rabbits born at any moment of time is proportional to the number of
rabbits at this moment of time. Mathematically we can write this as
a differential equation:
Here b is the birth rate, i.e. births per time unit per rabbit.
In the model above we ignore deaths and assume resources are
unlimited.
A. Solve the equation...
Khan Academy Question 42 2 pts Which of the following causes populations to shift most quickly from an exponential to a logistic population growth? decreased death rate favorable climatic conditions competition for resources O removal of predators Question 43 2 pts Which of the following relationships is detrimental to both species involved? O commensalism O competition O mutualism O parasitism
FU- Ch 18 Saved Help Save & Exit Submit Classify each of the following pairs of statements as follows: the first is greater than the second or the second is greater than the first. Assume migration does not occur. (Labels are in this format: Statement 1 - Statement 2) 0.43 ocints The amount of time for a population to reach its carrying capacity of 1,000 individuals if it follows a logistic growth model - The amount of time for the...
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