Chapter 1 Questions
What is ecology?
The study of relationships between living things and environment
What would happen to the wolf population if their main food source, rabbits, had a decline in population?
The wolf population would decrease
What is a population?
A group of the same species living in an area
What is symbiosis?
A relationship between species
A meadow of grasses and flowers is an example of a climax community.
False
A planet without a thick atmosphere would likely have liquid water.
False
The process that plants perform in order to change atmospheric nitrogen into useable nitrogen is called nitrogen ____.
Fixation
Another name for a primary consumer could be a
Herbivore
What system of the earth would a glacier belong to?
Hydrosphere
Which of the following is not intermediate step in the cycling nitrogen? Lighting
Lighting
If the sun provided 100,000 units of energy, how much energy would be left for the tertiary consumer (level 4)?
100 units
What is the primary source of all energy on planet Earth
Sun
The portion of Earth that contains everything necessary to sustain life is called the
Biosphere
What do decomposers do?
Break down dead organisms
Which of the following is not a where pioneer species begin growing?
Burned out forest
Which of the following is released into the atmosphere by the burning of fossil fuels?
Carbon Dioxide
If all of the herbivores in a forests suddenly died, which group of organisms would most likely be the next group to die?
Carnivores
The final stage of succession is called
Climax Community
Population of maple trees, wood frogs, and morel mushrooms might compose a
Community
A teacher sitting at her desk could be considered an example of a
Consumer
A slug eating the leaves of your mother's prize winning roses is an example of a
Consumer feeding on a producer
If it is a very hot day out by the lake, what part of the water cycle would be speeded up?
Evaporation
Which of the following is a category of symbiosis?
Mutualism, Commensalism, and Parasitism
An organism's role in its environment is called its
Niche
Abiotic factors are ___ in the environment.
Nonliving factors
Which of the following organisms eat both plant and animals
Omnivore
What is considered a successful parasite?
One that does not kill its host
What is a waste product in photosynthesis?
Oxygen
Green plants produce their own food through the process of
Photosynthesis
The process by which plants make food is called
Photosynthesis
The scientific name for rain falling to the earth is called
Precipitation
A _____ is an organism that captures and eats another organism.
Predator
The lawn of a golf course is an example of
Produce
A primary consumer would obtain food by eating a
Producer
Which of the following do organisms compete for?
Resources
An area's return to a stable condition after being disturbed is called
Secondary Succession
In 1989, there was a large forest fire in Yellowstone National Park. What is now happening in the park?
Secondary Succession
If a high school were considered a community, which of the following groups would not be considered as a population?
Seventh Graders
On a trophic pyramid, what level do secondary consumer belong to?
Third
What does the suffix "-vore" mean?
To kill
A coral reef that builds up and creates an island is an example of new land.
True
Primary succession occurs on
Volcanic land
On what cycle do all the other cycles depend on?
Water
Mosquitoes are pesky bugs that get their food supply from the blood of mammals. In order to make the blood easier to suck up, they inject a blood thinner into the mammal that causes that itchy mosquito bites. Is this an example of parasitism?
Yes
Which of the following does not belong? Lion, Tiger, Zebra, and Hyena.
Zebra