Show:
Natural Phenomena and Ecosystems
Pollutants in Ecosystems
Bioaccumulation and Biomagnification
The Impacts of Human Industry
Other Facts affecting Ecosystems
100
List the 2 causes of natural disasters.
Changing climate ( weather related Phenomena) and Geological Events
100
List the 3 different types of pollutants
Air, Land and water pollutants
100
what is bioaccumulation and biomagnification?
Bioaccumulation is the build up of chemical substance within a single organism. Biomagnification results a higher concentration of pollutants in higher tropic levels.
100
What is deforestation?
Trees being cut down and there is no replacement.
100

Two critical environmental processes that affect ecosystems and human health.

What are Biomagnification and Bioaccumulation?

200
What are the 2 types of consequences of natural phenomena?
Economic loss and loss of human life
200
What are pollutants ?
Substances Introduced into air, water, soil or food in concentrations the threaten the health or the survival of organisms.
200
What are pesticides used for?
To control the population of pests
200
What is soil degradation?
fertile topsoil is lost to erosion and soil nutrients are depleted.
200

Use of micro-organisms to consume and break down environmental pollutants.

What is Bioremediation?

300
list 2 natural phenomena that is caused by the movement of the earth's crust.
Earthquakes and Volcanic Eruptions
300

What does COSEWIC stand for?

Committee on the Status of Endangered Wildlife in Canada.

300

How can oil spills be cleaned up?

skimming, bioremediation, burning, and dispersal agents.

300

Latin word "insectum" means __

animal that has been cut into sections

300

What caused a decline in the numbers of songbirds such as the tree swallow?

Starlings

400

Common pesticide side effects include ___.

Endocrine system failure & infertility

400
List the 2 main comound that reacts with water vapour in the atmosphere to form acid rain.
Sulfur dioxide and nitrogen monoxide.
400

Why is fish high in mercury bad for pregnant women?

It can lead to severe nervous system damage, brain damage, developmental delays, and learning disabilities.

400

What does IPM stands for?

Integrated pest management

400

•Ecological

•Economic

•Tourism

•Health

What are the four impacts of invasive species?

500

Explain why the Asian beetles causes Infestation in GTA.

because it is an invasive species introduced as a biological control agent (to control aphid populations on crops) and these have no natural enemies.

500
list at least 2 impacts of solid waste on ecosystems.
Landfills take up space Produces methane gas during decomposition Pollutes air (burning waste) Leaches out waste into surrounding soil or waterways
500
How does Endocrine-disrupting Compounds affects the reproduction of living organisms?
It affects the gender determination and cause more female over male being produced
500

What does DDT stand for?

dichlorodiphenyltrichloroethane

500

•Trapping and relocating to another area

An example of Mechanical Control - (to control the spread of invasive species)