Vocabulary/Definition
Natural Selection
A
A
Urbanization
Fragmentation
Scenarios
100
Define "extinction"
The process by which species cease to exist
100
Natural selection works ______________ (for/against) weaker members of a population.
against
100
What term describes the growth of cities and the movement of people to urban areas?
Urbanization
100
Name at least one type of corridor type
*wildlife corridor
* fish ladder
100
In an arctic environment, which would survive longer: red foxes or white foxes?
White foxes
200
Define "fitness" in an evolutionary context
an organism's ability to survive, reproduce, and pass its genetic material to the next generation
200
Differences among a species, large or small.
variation
200
Give one example of how urbanization can change local species
Teachers choice
200
over a period of years, the average rainfall in an area decreases, causing environmental changes. What factor is the most important to give the species a chance at survival?
Variation
200
Yellow beetle and green beetles live in the rainforest canopy. What what will happen to this population?
The green population will increase and the yellow will decrease
300
Define "allele"
Different versions of a gene
300
A group of individuals of the same species lving and interbreeding within a given area
What is population
300
Give one way to prevent minimize the effects of urbanization
* dedicate protected wildlife areas
* wildlife corridors
300
Nature chooses organisms that are ____________.
Stronger or more fit?
300
A group of fish have been observed to show changes in mouth structure over many generations. What is this change a result of?
Fish adapting to the food source for survival.
400
Define "selective pressures "
Environmental Conditions that favor certain traits
400
When populations become too small and lose genetic diversity, they face a higher risk of this outcome.
The species could go extinct
400
City birds becoming bolder around humans is an example of this type of trait change over generations
a. anatomical
b. physiological
c. behavioral
c. behavioral
400
This genetic problem occurs more often in small isolated populations where relatives breed with each other.
Inbreeding
400
What is most likely to happen to moth populations in the picture shown that with bird predators?
Dark moths--hunted easily, dark moths--population decreases.
500
Define "resilient" in terms of genetic diversity
Resilient means the population has the ability to adapt to an environmental change.
500
Because the medical field uses antibiotics often, bacteria is becoming _____________
antibiotic-resistant
500
In the Buckeye, AZ case studies, which selection pressure is affecting genetic diversity in a nonhuman population?
Urbanization; increase of population
500
Describe how fragmentation can affect genetic diversity in an isolated population over time.
It decreases genetic diversity because of the loss of alleles in the small population
500
Scientists observe increased genetic diversity after building a wildlife corridor. This indicates the corridor is doing what.
restoring connectivity between populations/working