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Marat540 [252]
3 years ago
11

What does it mean if a scientist fails to reject a hypothesis

Biology
1 answer:
ladessa [460]3 years ago
7 0
Basically they say "null hypothesis" according to source:

http://www.statisticshowto.com/what-does-it-mean-to-reject-the-null-hypothesis/
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A computational biologist develops a computationally intensive program for DNA sequence alignment. When they use distributed com
Arte-miy333 [17]

Answer: The program completed in a quarter of the time with four computers versus one computer

Explanation:

Distributed computing simply means using distributed systems in solving computational problems and this is done as the problem is divided into many tasks, whereby the tasks are accomplished by one or more computers.

Following the information given in the question, a speedup of 4 indicate that the program completed in a quarter of the time with four computers versus one computer.

4 0
2 years ago
In northern Canada a population of rabbits was predominantly white in color. The allele for white color is recessive while the a
polet [3.4K]

Answer:

B

Explanation:

Directional selection tends to evolve towards one specific trait. In this example, white rabbits no longer have a competitive advantage because of disappearing snow. This means they are more easily spotted by predators, resulting in reduced fitness and less chance they will live to reproductive age and pass their recessive white alleles on.

Natural selection will favor the gray colour allele, increasing the frequency oft this previously rare allele.

6 0
3 years ago
Snapdragons, a flowering plant popular with gardeners, can have red, white, and pink colored petals. When snapdragons with red p
Alex787 [66]

Answer:

I think it is called selective breeding, I don't think it is called that but hope this helps

7 0
2 years ago
Read 2 more answers
I need to know what physical weathering and chemical weathering is for a science project!
Oksana_A [137]
Ok ok no fret im here to help as best as i can :)
Weathering is a process that breaks down or changes rocks into smaller pieces. Various atmospheric aspects are responsible for weathering processes. Weathering is different from erosion. Erosion is the movement of rock pieces and sediment from one area to another. Weathering is the breaking down of rocks and erosion is a wearing away of rocks. There are two main types of weathering: physical (or mechanical) weathering and chemical weathering. Quite often, both forms of weathering will occur together

Physical weathering is also known as mechanical weathering. This type of weathering occurs when rocks and other landforms are broken down by physical factors in the environment. These physical factors include wind, water, sun, ice and temperature changes


8 0
3 years ago
How are photosynthesis and cellular respiration different?
kari74 [83]

Answer:

The correct answer is B photosynthesis stores energy,while cellular respiration releases energy.

Explanation:

Photosynthesis is an anabolic process that utilizes the atmospheric CO2 along with water molecule as a electron donor to generate glucose sugar and oxygen gas.Photosynthesis helps to store the light energy in form of chemical energy in the bonds of glucose molecules produced during photosynthesis..

 on the other hand cellular respiration is a catabolic process that oxidizes glucose to generate energy in form of ATP along with CO2 and water as a byproduct.

4 0
2 years ago
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