Ecology
Which of the following is an example of a biotic factor?
a. Temperature
b. Rock
c. Tree
D. Rain
c. Tree
The study of a population is known as
a. Survivorship
b. Life expectancy
c. Carrying capacity
d. Demography
d. Demography
What is the largest biome on Earth?
a. Marsh
b. Temperate Forest
c. Ocean
d. Coral Reef
c. Ocean
The contamination of the air by harmful particles such as smoke is known as.....
air pollution
Which of the following is NOT caused by rising sea levels?
a. Increased storm frequency
b. Flooding
c. Unicorns
d. Rising humidity levels
c. Unicorns
Why is competition important?
d. Competition prevents populations from growing out of control.
Movement out of an area
a. Immigration
b. Birth
c. Emigration
d. Death
c. Emigration
What is most water used for?
a. human consumption
b. water parks and roller coasters
c. recreational purposes
d. agriculture and industry
d. Agriculture and industry
Most air pollution is produced by ...
Fossil fuels burning
The term "biodiversity" refers to:
A. The number of species living on Earth.
B. The number and variety of species living on Earth.
C. The number and variety of species that are considered renewable.
D. The number and variety of abiotic factors that live in an area.
B. The number and variety of species living on Earth.
Which of the following is a characteristic of life?
a. Breathe
b. Respond to stimuli
c. Move
d. Heart
b. Respond to stimuli
What has happened to the population over the last 200 years?
a. increased
b. decreased
c. stayed the same
a. Increased
How much of Earth's water is readily available for human consumption?
a. 1%
b. 97%
c. 3%
d. less than 1%
d. less than 1%
Coal is formed when
a. Swamplands are buried by sediment. The added weight creates heat and pressure that converts the plants to coal.
A resource that can be replaced relatively quickly by natural processes is
Renewable Resources
An organism that is a threat of becoming extinct and requires human intervention to help conserve the species.
a. Endemic species
b. Invasive species
c. Keystone species
d. Endangered species
d. Endangered species
This occurs when a population growth slows or stops following a period of exponential growth is known as?
Logistic growth
An area where a river meets an ocean is called:
Estuary
The Joshua tree has 2 sets of root systems: one set of roots digs very deep underground and stores water, the other stays very close to the surface and spreads out far in all directions so it can gather water in a very large area. Because the Joshua tree is so good at catching and storing water it is very successful in this biome.
Desert
Climate in a region is
a. The long-term prevailing atmospheric conditions.
Organisms that get their food by breaking down dead organisms are called_____.
a. Producers
b. Consumers
c. Decomposers
d. Omnivores
c. Decomposers
Which of the following best describes a population?
a. Members of the same species living in the same place at the same time.
b. All the red birds in an area
c. All types of organisms living in the same place
d. All members of the same species
a. Members of the same species living in the same place at the same time.
The two types of aquatic ( water) biomes are ?
Saltwater and freshwater
Deforestation is an especially serious problem in tropical rain forests because
c. they are located in developed nations with high per person resource consumption.
This involves burning and clearing plots of land to grow agriculture.
A. Slash and burn