Population Demographics & Dynamics: Asian Carp Invasion

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What is a characteristic of type II survivorship curves?

Mortality is equally likely to occur at any point in the lifespan (correct)

Mortality is highest in early ages

Survival rates increase with age

Organisms produce large numbers of offspring

Which organism is most likely to exhibit a type III survivorship curve?

Humans

Marine invertebrates (correct)

Birds

Mammals

Why do trees exhibit a type III survivorship curve?

They have high mortality in advanced age

Most do not survive their younger years (correct)

They have a high survival rate in early years

They provide extensive care to their offspring

Which population shows a Type I survivorship curve?

Humans Signup and view all the answers

What happens to the survival rates as age increases in type II survivorship curves?

Remains constant Signup and view all the answers

Which of the following fish is considered an invasive species that threatens native species in the United States?

Asian carp Signup and view all the answers

What is the study of populations called?

Demography Signup and view all the answers

Which of the following factors can influence the size and composition of populations?

All of the above Signup and view all the answers

What is the main purpose of studying populations according to the text?

To understand how populations interact within ecological communities Signup and view all the answers

Which of the following is NOT mentioned as an example of an invasive species in the text?

Lionfish Signup and view all the answers

What type of distribution pattern do territorial birds such as penguins tend to have?

Uniform Signup and view all the answers

In the context of territorial animal species, what does a clumped distribution pattern signify?

Difficulty in finding a mate Signup and view all the answers

What type of distribution pattern is exhibited by plants like dandelions with wind-dispersed seeds?

Random Signup and view all the answers

What does a type I survivorship curve indicate?

Low mortality in older individuals Signup and view all the answers

What do species with a clumped distribution pattern like elephants tend to do?

Travel in herds Signup and view all the answers

Which of the following factors characterizes a population?

All of the above Signup and view all the answers

What is the relationship between population density and body size in organisms?

Population density decreases with increasing body size Signup and view all the answers

Which method is commonly used to estimate population size for immobile or small, slow-moving organisms?

Quadrat sampling Signup and view all the answers

What is the assumption behind the mark and recapture method for estimating population size?

The larger the population, the lower the percentage of marked organisms recaptured Signup and view all the answers

Which distribution pattern is observed in plants that secrete substances inhibiting the growth of nearby individuals?

Uniform distribution Signup and view all the answers

What is the significance of studying species distribution patterns?

Both A and B Signup and view all the answers

Which distribution pattern is observed in plants that have wind-dispersed seeds?

Random distribution Signup and view all the answers

What is the purpose of sampling a representative portion of a habitat to study a population?

To estimate the population size and density Signup and view all the answers

Which distribution pattern is observed in animals that live in social groups?

Clumped distribution Signup and view all the answers

What is the significance of population size in terms of adaptation?

Larger population sizes lead to more genetic variation and potential for adaptation Signup and view all the answers

Match the survivorship curve type with its corresponding description:

Type I = Death primarily occurs in older years Type II = Mortality is equally likely to occur at any point in the life span Type III = Early ages experience the highest mortality Signup and view all the answers

Match the organism with its corresponding survivorship curve type:

Birds = Type II survivorship curve Humans = Type I survivorship curve Trees = Type III survivorship curve Signup and view all the answers

Match the survivorship curve pattern with its corresponding example in nature:

Linear decrease with time = Type II survivorship curve Steep slope at young age, less steep at old age = Type III survivorship curve Gentle slope becoming steeper with time = Type I survivorship curve Signup and view all the answers

Match the distribution pattern with the corresponding type of species:

Plants like dandelions with wind-dispersed seeds = Clumped distribution pattern Territorial birds like penguins = Uniform distribution pattern Species that secrete substances inhibiting growth of nearby individuals = Regular distribution pattern Signup and view all the answers