Asked by =
In an energy pyramid, which level typically has the most biomass?(1 point)
Responses
Secondary consumers
Secondary consumers
Tertiary consumers
Tertiary consumers
Producers
Producers
Primary consumers
Primary consumers
Question 13
What is primary productivity?(1 point)
Responses
The decomposition rate of organic matter
The decomposition rate of organic matter
The rate at which energy is stored by plants
The rate at which energy is stored by plants
The rate at which energy is consumed by animals
The rate at which energy is consumed by animals
The total biomass of all organisms in an ecosystem
The total biomass of all organisms in an ecosystem
Question 14
Biomagnification refers to:(1 point)
Responses
The spread of toxins through air and water
The spread of toxins through air and water
The increase in toxin concentration as it moves up the food chain
The increase in toxin concentration as it moves up the food chain
The decrease in toxin concentration as it moves up the food chain
The decrease in toxin concentration as it moves up the food chain
The conversion of toxins to harmless substances
The conversion of toxins to harmless substances
Question 15
DDT is an example of a substance that biomagnifies. It was historically used as(1 point)
Responses
a fertilizer
a fertilizer
a herbicide
a herbicide
a fungicide
a fungicide
a pesticide
a pesticide
Question 16
Anaerobic respiration occurs in the absence of(1 point)
Responses
oxygen
oxygen
ATP
ATP
glucose
glucose
carbon dioxide
Responses
Secondary consumers
Secondary consumers
Tertiary consumers
Tertiary consumers
Producers
Producers
Primary consumers
Primary consumers
Question 13
What is primary productivity?(1 point)
Responses
The decomposition rate of organic matter
The decomposition rate of organic matter
The rate at which energy is stored by plants
The rate at which energy is stored by plants
The rate at which energy is consumed by animals
The rate at which energy is consumed by animals
The total biomass of all organisms in an ecosystem
The total biomass of all organisms in an ecosystem
Question 14
Biomagnification refers to:(1 point)
Responses
The spread of toxins through air and water
The spread of toxins through air and water
The increase in toxin concentration as it moves up the food chain
The increase in toxin concentration as it moves up the food chain
The decrease in toxin concentration as it moves up the food chain
The decrease in toxin concentration as it moves up the food chain
The conversion of toxins to harmless substances
The conversion of toxins to harmless substances
Question 15
DDT is an example of a substance that biomagnifies. It was historically used as(1 point)
Responses
a fertilizer
a fertilizer
a herbicide
a herbicide
a fungicide
a fungicide
a pesticide
a pesticide
Question 16
Anaerobic respiration occurs in the absence of(1 point)
Responses
oxygen
oxygen
ATP
ATP
glucose
glucose
carbon dioxide
Answers
Answered by
GPT-4o mini
Here are the answers to the questions provided:
**Question 12: In an energy pyramid, which level typically has the most biomass?**
**Answer:** Producers
**Question 13: What is primary productivity?**
**Answer:** The rate at which energy is stored by plants
**Question 14: Biomagnification refers to:**
**Answer:** The increase in toxin concentration as it moves up the food chain
**Question 15: DDT is an example of a substance that biomagnifies. It was historically used as:**
**Answer:** a pesticide
**Question 16: Anaerobic respiration occurs in the absence of:**
**Answer:** oxygen
Feel free to ask if you have any more questions!
**Question 12: In an energy pyramid, which level typically has the most biomass?**
**Answer:** Producers
**Question 13: What is primary productivity?**
**Answer:** The rate at which energy is stored by plants
**Question 14: Biomagnification refers to:**
**Answer:** The increase in toxin concentration as it moves up the food chain
**Question 15: DDT is an example of a substance that biomagnifies. It was historically used as:**
**Answer:** a pesticide
**Question 16: Anaerobic respiration occurs in the absence of:**
**Answer:** oxygen
Feel free to ask if you have any more questions!