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Paraphin [41]
3 years ago
7

Many scientific discoveries begin with direct observations. Which could be a direct observation?

Biology
1 answer:
Free_Kalibri [48]3 years ago
5 0
Among the choices presented above, the statement "Butterflies eat nectar from flowers"  can be called a direct observation. An observation is the term given to the process of  acknowledging and recognizing the facts found around the surroundings. In most times, the observation are expressed by the use of the five senses of man, the sense of smelling, the sense of sight, the sense of tasting, the sense of touch, and the sense of hearing. Observations can either be qualitative and quantitative.
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Answer:

The evolutionary history for a group of species is called a <u>phylogeny.</u>

Explanation:

Phylogeny is defined as the evolutionary history or evolutionary chronicle of the species, that is, it studies the relationship deals with the relationship between members of a group of species from the morphological, anatomical and embryological point of view. In this way, phylogeny explains the chronicle of each species, the different bifurcations, families and genetic structures, focusing on the evolution of the species in a global way.

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3 years ago
Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a
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According to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.

<h3>What are Experiments?</h3>

It is the process by which one or more variables are intentionally manipulated by carrying out actions aimed at discovering or verifying certain phenomena.

In this sense, its basis is in the manipulation of the variables that are considered relevant, the control of strange variables and the randomization of the rest.

Therefore, we can conclude that according to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.

Learn more about Experiments here: brainly.com/question/27750242

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1 year ago
What is a thesis statement?
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A. A statement of purpose
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3 years ago
Which process is unlikely to be carried out by an animal cell?
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Answer:

B

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Animals derive energy by eating plants or animals and using cellular respiration to make ATP. Plants capture energy from the sun via photosynthesis and make sugar and oxygen. They can then use the sugar to perform cellular respiration to derive energy.

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Essential amino acids cannot be produced by the body, so they must come from our diet. We can get them from eating foods that co
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we can get them from eating foods that contain protein bio molecules

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