Which of the following is a biotic factor in the prairie ecosystem?
a. water
b. sunlight
c. soil
d. grass
What is "d. grass"?
100
Which of the following is an example of a population?
a. the rats and roaches in a house
b. the bushes and grass in a park
c. the coins in a coin collection
d. the squirrels in buttonwood park
What is "d. the squirrels in buttonwood park"?
100
Adaptations arise through the process of...
What is "natural selection"?
100
In an energy pyramid, the most energy is available...
a. at the top. c. at the bottom.
b. in the middle. d. at the apex predators.
What is "c. at the bottom"?
100
A group of land ecosystems with similar climates and organisms is called a(n)
a. energy pyramid.
b. climate.
c. biome.
d. food web.
What is "c. biome"?
200
The place where an organism lives and that provides the things the organism needs is called its
a. habitat.
b. population.
c. species.
d. community.
What is "a. habitat"?
200
Counting the number of bird droppings in an area to estimate the population would be which method of determining population size?
What is indirect observation?
200
The struggle between organisms to survive in a habitat with limited resources is called
a. competition.
b. predation.
c. symbiosis.
d. parasitism.
What is "a. competition"?
200
If a hawk eats a snake, that eats a mouse, that eats grass, the hawk is a
a. producer.
b. second-level consumer.
c. first-level consumer.
d. third-level consumer.
What is "d. third-level consumer"?
200
Which biome receives less than 25 centimeters of rain per year?
a. desert
b. grassland
c. temperate rain forest
d. tropical rain forest
What is "a. desert"?
300
The smallest unit of ecological organization is a single
a. population.
b. community.
c. organism.
d. ecosystem.
What is "c. organism"?
300
What was used as the "tag" in the bear mark-and-recapture video?
DNA
300
An organism’s particular role in its habitat, or how it makes its living, is called its
a. carrying capacity.
b. ecosystem.
c. competition.
d. niche.
What is "d. niche"?
300
The many overlapping food chains in an ecosystem form a...
What is a food web?
300
A volcanic island is born in the Pacific Ocean. What term do we give to the algae, mosses, and lichens that will colonize it first?
What is pioneer species?
400
Order the following from least complex to most complex:
Ecosystem, Population, Organism, Community
What is Organism --> Population --> Community --> Ecosystem?
400
A park contains about 12,000 trees. You find that for every 120 trees there are about 30 squirrels. About how many squirrels would you estimate are in the park?
What method of population counting is this?
What is 3000 squirrels?
What is sampling?
400
The bacteria that live in your intestines and help break down food are an example of which type of interaction?
a. competition
b. mutualism
c. parasitism
d. predation
What is "b. mutualism"?
400
What group of organisms would be responsible for returning the raw materials of life back to an ecosystem?
What are decomposers?
400
The series of changes that occurs after a disturbance in an existing ecosystem is called
a. primary succession.
b. secondary succession.
c. disturbance succession.
d. pioneer succession.
What is b. secondary succession?
500
Identify four abiotic factors of the NJ Pine Barrens
What are...
- Nutrient-poor, acidic soils.
- Acidic, tea-colored or red water.
- Sandy
- Temperate Weather (Four Seasons)
- Above an aquifer that provides water constantly
- Frequent Fires
500
The formula used to estimate population size in a mark-and-recapture study is:
Total Population = (Number marked x Number Captured)/?
For what does the question mark stand?
What is "Number recaptured"?
500
One adaptation of the Viceroy Butterfly is that it looks very similar to the Monarch Butterfly. What is the name of this type of adaptation?
What is mimicry?
500
About what percentage of energy is passed from one level of a food web to the next?
What is 10%
500
What is the term used to describe a pine cone that opens up when exposed to intense heat (like in a fire).