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Ecology Unit Review
Quiz by Jaclyn Robbins
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What is this?
trophic levels
phylogenetic tree
food web
food chain
Which of the following is an example of a density-dependent factor that can cause a decrease in red-tailed hawk population size?
dust storm
monsoon flash flooding
increased predation
record-setting high temperatures
What is this?
Which of the following is an example of a density-dependent factor that can cause a decrease in red-tailed hawk population size?
Which of the following is a strategy that wood rats can use to avoid competition?
Which of the following is a likely impact of a decrease in the wood rat population?
Carrying capacity refers to
The number of microplastics found in the surface of the ocean is demonstrating which growth pattern?
When a population splits, becomes reproductively isolated, and accumulates many significant genetic difference, this is defined as
Which of the following is NOT a benefit of biodiversity?
What is a keystone species?
The Northern elephant seals have reduced genetic variation probably because of a population bottleneck humans inflicted on them in the 1890s. Hunting reduced their population size to as few as 20 individuals at the end of the 19th century.
What type of evolutionary mechanism is this?
How does the greenhouse gas effect, resulting from factories releasing carbon dioxide, change the carbon cycle?
Which is the following is NOT evidence for evolution?
According to this population pyramid, India is experiencing what type of growth?
Commensalism is what type of relationship?
The Sonoran desert is a desert in Arizona. This image shows the organisms found in the Sonoran desert. The BEST description of the Sonoran desert is a(n)
Which of the following best describes a niche of an organism?
Fluff grass --> pallid-winged grasshopper --> grasshopper mouse --> Western diamondback snake
In this food chain, the pallid-winged grasshopper represents which trophic level?
Fluff grass --> pallid-winged grasshopper --> grasshopper mouse --> Western diamondback snake
In this food chain, how much energy in the pallid-winged grasshopper is available for energy for the grasshopper mouse?
Fluff grass --> pallid-winged grasshopper --> grasshopper mouse --> Western diamondback snake
In this food chain, how is the grasshopper mouse affected by the presence of the Western diamondback rattlesnake?
The seeds of the velvet mesquite tree are blown away in the wind. As a result, the seeds will germinate and grow, wherever they land. What type of dispersal pattern is this?
If researchers wanted to count non-motile organisms in a specific area, using a line, which sampling method does this describe?
The red-tailed hawk eats both the grasshopper mouse and the Western diamondback rattlesnake. What type of interaction is this describing?
When plants undergo photosynthesis and take in carbon dioxide and water, what happens to these atoms?
What factors will DECREASE a population of red-tailed hawks?
This passage BEST represents which worldview in regards to the human response to elephants (a social species that forms deep animal bonds) near villages?
Which pool is the primary source of available nitrogen for plants?
Suppose a white flower plant is crossed with a red flower plant and the result is the offspring are pink flowered. What is this an example of?
Figure 1. Sex ratio expressed as % males vs. constant incubation temperatures (degrees C) for the American alligator, Alligator mississippiensis (closed circles) and the Indian mugger crocodile, Crocodylus palustris (open circles).
According to this graph, and incubation temperature of 34 ˚C would produce what percentage of males in an Alligator mississippiensis nest?
In grasshopper mice, brown fur color is dominant to grey fur. If a heterozygous brown fur color mouse mates with another heterozygous brown fur color mouse, what percentage of their offspring will have grey fur?
Which process does water end up in the soil?
Which process does carbon enter the water?
Why are resources scarce?
What is Mendel’s Law of Independent Assortment?