Topic 1: Nutrients and the Environment
A compound containing carbon.
What is organic?
A chemical that is used to protect against bugs.
What is insecticide?
What are rats?
Using a swamp or bog to remove toxins from water is an example of this.
What is bioremediation?
A substance with a high pH level.
What is a base?
A nutrient that is used to build and repair the body
What is protein?
The process by which toxins accumulate within an organism over time.
What is bioaccumulation?
The dosage required for a substance to kill 50% of a population?
What is Lethal Dose 50 (LD50)?
The stage of water treatment responsible for removing solid waste particulates
What is primary treatment?
What is acid precipitation?
A bowl of salad with an olive oil dressing would contain which nutrients?
What are lipids and carbohydrates?
A herbicide that kills all the plants in the area could be classified as this type of herbicide.
A substance that causes harm to the ecosystem and living things?
What is pollutant?
CFCs are known the break down this chemicial compound.
What is Ozone?
The two products of a neutralization reaction.
What are water and salt
A chemical entering the body by passing through a membrane
What is absorption?
Too much fertilizer run off in a pond can lead to this phenomenon in the aquatic environment.
The amount of a substance required to cause harm is known as its?
What is toxicity?
Algal bloom can affect the lake by creating a hypoxic zone, otherwise known as.
What is a zone without oxygen?
An alkaline substance would turn litmus paper this colour.
What is blue?
Calcium is an element that the body uses to build bones and teeth. Calcium could be classified as this kind of nutrient?
What is trace element or mineral
Significant concentrations of DDT in eagle eggs can be attributed to this process.
What is biomagnification?
Getting sick after eating too much vanilla ice cream would be an example of this.
What is acute toxicity?
The strong environmental currents that move pollution throughout the atmosphere.
What are circumpolar winds?