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denis23 [38]
3 years ago
10

1. Why do scientists use the scientific method?

Biology
1 answer:
Xelga [282]3 years ago
6 0

1. Answer: to answer questions about the natural world


The aim of scientific method is to answer a question that the scientist have. To answer the question, the scientist need to design a research or observation. If the research is flawed, the result might not match with the scientist aim and the conclusion will be wrong. Scientific method can be used to help design the research so it will have less flaw


2. Answer: fertilizer

The student wants to determine the effect of a certain brand of liquid fertilizer on the growth of ivy. The fertilizer are hoped to influence the growth of the ivy. Independent variable is the variable that hoped to influence the dependent variable. So, the independent variable would be fertilizer and the dependent variable would be the growth.

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describe a situation in nature where genetic drift might be a more important influence on evolution than natural selection.
inna [77]

Answer:

Example of genetic drift

Explanation:

a population of rabbits with alleles B and b, both alleles are present in equal frequencies p = 0.5 and q = 0.5 if 10 parents reproduce the probability of having an offspring with alleles B or b is 0.5; however, by chance, a slight difference in the offspring allele frequency might occur due ...

4 0
2 years ago
Which statements describe functions of antibodies? Select two options.
vodomira [7]

Answer:

This question lacks options, options are:

A.They maintain the cell’s shape.

B.They regulate cell processes.

C.They protect the body from infectious agents.

D.They signal the immune system to destroy pathogens.

E.They speed up biochemical reactions.

F.They send electrical signals.

The correct answers are C and D.

Explanation:

B cells and T cells use different biological weapons to attack the pathogen. The first secrete proteins called antibodies, which are distributed via the blood or the exposed surfaces to the environment, such as mucous. Antibodies are glycoproteins that circulate in the bloodstream looking for antigens that cause some type of damage to the body. Antibodies recognize and neutralize pathogens in a highly efficient way. Once the antibodies are produced, they remain circulating in the bloodstream for several months, which generates immunity for a long period of time to a certain antigen, in other words, they are capable of recognizing other molecules (antigens) in a very specific way and forming stable complexes with them (immune complexes). Its appearance in plasma is part of the adaptive immune response, in what is known as a specific humoral response, constituting a very effective defense against pathogens.

3 0
2 years ago
How many protons does an element have?
Agata [3.3K]
This is determined by its atomic number. The atomic number of an element determines its protons. So for example....

The atomic number of Boron is 5, therefore....the protons are 5.
3 0
2 years ago
Read 2 more answers
How does the type of food affect the rate of cellular respiration in yeast
Harrizon [31]

experiment to determine how the type of food source available affects the rate of cellular.


8 0
3 years ago
Who discovered the structure of DNA?
fenix001 [56]
I'm pretty sure that was <span>Oswald Avery.</span>
8 0
3 years ago
Read 2 more answers
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