Podcast
Questions and Answers
Which type of pesticides are highly toxic and persistent to sensitive organisms?
Which type of pesticides are highly toxic and persistent to sensitive organisms?
- Organophosphates
- Fumigants
- Inorganic pesticides
- Chlorinated hydrocarbons (correct)
What is the trade name for glyphosate, the most heavily used herbicide in the United States?
What is the trade name for glyphosate, the most heavily used herbicide in the United States?
- Atrazine
- Carbon tetrachloride
- Roundup (correct)
- Methylene bromide
Which type of pesticides are compounds made from toxic elements like sulfur, copper, arsenic, and mercury?
Which type of pesticides are compounds made from toxic elements like sulfur, copper, arsenic, and mercury?
- Fumigants
- Chlorinated hydrocarbons
- Organophosphates
- Inorganic pesticides (correct)
What are 'Roundup-ready' soybeans and corn varieties genetically modified to tolerate?
What are 'Roundup-ready' soybeans and corn varieties genetically modified to tolerate?
Which synthetic pesticide is among the most abundantly used?
Which synthetic pesticide is among the most abundantly used?
What does an ecosystem consist of?
What does an ecosystem consist of?
What makes up a community?
What makes up a community?
How is a population defined?
How is a population defined?
What are the abiotic factors in an ecosystem?
What are the abiotic factors in an ecosystem?
What is a community in an ecosystem?
What is a community in an ecosystem?
What are the three major types of community interactions?
What are the three major types of community interactions?
What is predation in a community interaction?
What is predation in a community interaction?
What is competition in a community interaction?
What is competition in a community interaction?
Study Notes
Pesticides
- Organophosphate and carbamate pesticides are highly toxic and persistent to sensitive organisms.
- The trade name for glyphosate, the most heavily used herbicide in the United States, is Roundup.
- Inorganic pesticides are compounds made from toxic elements like sulfur, copper, arsenic, and mercury.
Genetically Modified Organisms (GMOs)
- 'Roundup-ready' soybeans and corn varieties are genetically modified to tolerate glyphosate, a herbicide.
Synthetic Pesticides
- Synthetic pyrethroid is among the most abundantly used synthetic pesticides.
Ecosystem and Community Interactions
What is an Ecosystem?
- An ecosystem consists of living (biotic) and non-living (abiotic) components interacting with each other.
Community and Population
- A community is a group of different species that live together in a specific area.
- A population is a group of individuals of the same species that live in a specific area.
Abiotic Factors
- Abiotic factors in an ecosystem include non-living components such as light, temperature, water, soil, and air.
Community Interactions
- There are three major types of community interactions: predation, competition, and symbiosis.
- Predation is a type of community interaction where one species (predator) feeds on another species (prey).
- Competition is a type of community interaction where different species compete for the same resources such as food, water, and light.
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Description
Explore the different types of pesticides and their classification based on chemical structure and main components. Learn about organic compounds, toxic metals, halogens, and widely used synthetic pesticides like organophosphates and glyphosate.
