NCS Ecology Unit Exam Review

What most likely happens to an invasive species that is introduced?

Ecosystems will have a greater chance of maintaining equilibrium over time if they have

The nitrogen cycle is most dependent on?

Increased industrialization will most likely

In a self-sustaining ecosystem which component cant be recycled bc it's lost in the food chain?

Which statement is true about the carbon-oxygen cycle?

Why are many governments restricting use of toxic pesticides and enforcing hunting laws?

Abiotic factors that could affect the stability of an ecosystem could include:

The ecological niche of an organism refers to the

Why are humans responsible for many of the changes in the environment?

Which of the following is a characteristic of a self sustaining ecosystem?

Define carrying capacity

Which environmental factor has recently been affected by increased atmospheric CO2 levels?

The reason that organisms can not produce populations of unlimited size is that

Acid rain is causing declines in fish populations in lakes because this is changing in the lake

Which human activity would have the most direct impact on the oxygen-carbon dioxide cycle?

Two different species of birds can successfully live in the same area because they occupy

The creation of wildlife refuges & hunting laws are measures that promote increased..

What would happen when 2 different organisms occupy the same niche

The replacement of one community with another until climax stage is reached is called

Scientists believe increase CO2 in the air caused from car exhaust may cause

What is the environmental component that restricts the # of organisms that can survive called?

Which of the following is a result of human activities?

Which is a biotic factor that affects the size of a population in an ecosystem?

The portion of earth where all life exists is called

Which processes are most directly involved in the carbon dioxide- oxygen cycle?

Grasses > Rabbits > Bobcats If the bobcat population decreases what happens to the rabbit pop?

Many different species interacting in a particular environment is called a

What is one human activity that can start the process of ecological succession?

Which trophic level includes autotrophs?

Why would a population of frogs remain fairly constant over a period of many years?

The negative effect humans have is most directly linked to an increase in

Which factor directly limits the variety of primary consumers in an area?

Which of the following can be a limiting factor?A. water B. Energy C. Oxygen D. Minerals

Knowledge of ecology would be most useful when studying the

Cutting down a rainforest and planting agricultural crops will most likely result in

Continued depletion of the ozone layer will most likely result in

If an ecosystem is affected by natural disaster organisms will have the best survival chance if

The use of natural predators and competitive species to control pests is known as..

What factors create a self sustaining ecosystem?