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Ratling [72]
3 years ago
5

A biologist pollster asks people what their favorite tv show is. This is an example of what kind of statistical study:

Biology
2 answers:
Yanka [14]3 years ago
4 0
It would be letter b
neonofarm [45]3 years ago
4 0

Answer:

Option C, Survey

Explanation:

Lets see the definition of all the three terminologies used here –  

a) Observational Study: In this data is collected just by observing the things. The collected data is not used anywhere in any study or research. Observational studies are conducted using surveys. For example -  observing the number of students in a class

b) Survey: These are conducted to create a sample data. In a survey, a set of questions are asked to a set of interested people. For example Internet and T.V. surveys, customer satisfaction surveys, type of public opinion poll etc.

c) Experiment: Here a researcher conducts an experiment by controlling some aspect of the study and then records what happens. For example – agar plants are kept in red soil and in absence of sunlight to observe its speed of development.  

After realizing the difference between the three terms, the most suitable answer is option C

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NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

5 0
3 years ago
This molecule is a product of photosynthesis and is a major source of energy for plants and animals. This molecule is converted
pentagon [3]

Answer:

This question is asking to identify the molecule being described.

The molecule is GLUCOSE

Explanation:

Photosynthesis is the process by which green plants make their food using energy from sunlight. This food, which happens to be the product of the photosynthetic process is GLUCOSE molecule. Glucose is the source of energy during cellular respiration for plants and animals as it is broken down to synthesize ATP.

The process of cellular respiration, which is carried out by virtually all living organisms make use of the GLUCOSE MOLECULE. The energy stored in the glucose molecule is converted to ATP in the mitochondria.

6 0
3 years ago
What structure keeps food and water from entering the frog's lungs?
slega [8]
Is called the Glottis. Hope this helps:)
7 0
3 years ago
What is photosynthesis?
Vladimir79 [104]

Answer:

a process where green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water

Explanation:

hope this helps

3 0
3 years ago
Read 2 more answers
Describe DNA replication. Include all relevant aspects. When does this process occur? and why
ASHA 777 [7]
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. ... To accomplish this, each strand of existing DNA acts as a template for replication.
3 0
3 years ago
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