Unit 3 test study Flashcards
(31 cards)
Which of the following statements best describes why it is predicted that the Orchid mantis will be more affected by global change than the tropical cockroach will be
Orchid mantises tend to be advantages in habitats that remain constant the rainforest habitat is likely to shift because of global climate change
Raccoons eat a variety of foods and can live in a variety of habitats including locations near humans tiger salamanders can eat an abundance of worms and insects and require Wetland habitats so they do not dry out which of the following best describes the two species
Raccoons are generalist and salamanders are specialists
The Venus flytrap is a carnivorous plant that grows in nutrient pore acidic oil they typically grow in certain long leaf pine Savannah ecosystems in the Carolinas which of the following best describes the species
A specialist species because it thrives only in soil with low ph and nutrient levels
Members of an R selected species characteristically
Reach sexual maturity quickly
Which of the following species is most likely to be invasive if introduced to a favorable new habitat
Oysters 5 billion
Which of the following questions refers to the five graphs shown below which illustrates different relationships between populations and time
Graph B
Which graph best illustrates a population that was growing in his reached carrying capacity
Graphy e
Cycads are gimo sperms that were diverse and abundant during the mesozonic era extend species of psychicadats share many traits with those from mesozonic era psych ads bear cones are long-lived and gross slow rates show lay productive maturity and have two Offspring based on this prescription the psych ads are
K strategist with type 1 survivorship curve
Certain lizards display a survival ship curve where the chance of survivalship is independent of age which line on the graph best depicts the survivorship of these lizards
Line C
Based on the data in the graph which of the following best describes the reproductive strategy of rabbits
R selected species
The chat them Island Robin is a small endangered bird that is found in scrub Forest off the coast of New Zealand the Robin is preyed upon by introduced species such as cats and rats in 1980 the population decreased by only five individuals and every individual today is a descendant of one single female which of the following is best Illustrated in the decline of the Chatham Island Robin
Population bottleneck
Based upon the graph and the data which of the following best identifies with the highest population size
170
Which of the following characteristics is most closely so she with the countries that demonstrates age structure in the diagram below
There is a high total fertility rate
Which of the following can be interpreted from an age structure diagram of a country
The relative population growth rate of the population
Factors that can affect the total fertility rate of a human population include which of the following
One two and three
The world population group rate in 2015 is about 1% It is expected to drop to 0.5% by 2050 partly because of the increased access to birth control and developing countries another likely called cause for the decline is
Increasing numbers of women entering the workforce in developing countries
If a country has a crude birth rate of 24 per 1000 and a crude death three of eight per 1,000 the annual percent of increase of a population is
1.6%
Which of the following methods will give the best prediction for how long the human population to double if the growth rate is 1.09%
Number of years equals 70/1.09
Which of the following best describes a density independent factor that controls population size
Occurrences of droughts and flooding
In a certain country the birth rate is high the death rate is high and there are many children that are part of the workforce the country is most likely in which of the following stages of a demographic transition
Stage one
In a human population undergoing a demographic transition which of the following generally decreases first
Death rate
Which of the following is most likely the primary cause of high death rates in Phase 1
Infant and child mortality
As a country goes through demographic transition the greatest rate of population growth takes place during which phase
The transitional
A field is abandoned and an invasive plant can live in nutrient poor soil that moves into the field if the land is later cleared of this invasive species and is discovered that the soil has an abundance of nitrogen compounds what conclusion can best be made
Bacteria in the soil and root nodules converted free nitrogen into nitrogen compounds
