What is the main difference between Net Primary Productivity (NPP) and Gross Primary Productivity (GPP)?

Calculating Net Primary Productivity in Aquatic Plants

Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NPP includes energy lost to respiration, while GPP does not.
NPP is the energy stored after respiration, while GPP is the total energy produced.
GPP is the energy stored by plants, while NPP is the total energy produced.
GPP is the energy used by plants for growth, while NPP is the energy lost to respiration.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to formulate a scientific question before conducting a lab experiment?
It allows for the collection of more data.
It helps in determining the lab materials needed.
It guides the direction of the experiment and helps in forming a hypothesis.
It ensures the experiment will be successful.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a testable hypothesis?
Plants need sunlight to survive.
Increasing sunlight will increase the rate of photosynthesis.
Photosynthesis occurs during the day.
Oxygen is produced by plants.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a dissolved oxygen probe in the lab procedure?
To measure the amount of sunlight the plants receive.
To determine the initial and final oxygen levels in the water.
To calculate the temperature of the water.
To assess the growth rate of the plants.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to control variables such as the amount of water and plant species in the experiment?
To ensure that the results are due to the independent variable only.
To prevent any changes in the experiment setup.
To make the experiment more interesting.
To ensure the experiment is easy to replicate.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a control group in an experiment?
To ensure the experiment is conducted correctly.
To provide a baseline for comparison with the experimental group.
To increase the number of variables tested.
To manipulate the independent variable.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of this lab, what is considered the independent variable?
The initial dissolved oxygen level.
The amount of sunlight the plants receive.
The species of aquatic plant used.
The temperature of the environment.
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