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alexdok [17]
3 years ago
7

Evolution is a

Biology
1 answer:
Leviafan [203]3 years ago
5 0

A. theory because it is an explanation that is supported by extensive observations, experimentation, and reasoning.

Explanation:

Evolution can best be described as a theory because it is an explanation that is widely supported by extensive observations, experimentation and reasoning.

Theories are formulated after careful observation into a particular phenomenon.

  • Most theories provides a vivid explanation into an observed event or process.
  • The theory of evolution is one of such theories that suggests that an organism changes in order to adapt to its environment.
  • Some of the key figures who contributed to the study of evolution are J. B Lamarck, Charles Darwin, Williams Smith e.t.c

learn more:

Experiment brainly.com/question/5096428

#learnwithBrainly

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Measuring the height of a plant is an example of _____ data
alex41 [277]

Measuring the height of a plant is an example of quantitative data

Answer: Option C

<u>Explanation:</u>

When there is an experiment performed there are 2 types of data that can be recorded one is a qualitative data and quantitative data. Qualitative data is a type of data that describes the quality of the product formed whereas the quantitative data is a data that quantitative the numerical values that we get through the experiment. A quantitative data is more authentic than a qualitative data as it provides figures for comparison.

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3 years ago
A postsynaptic neuron has three presynaptic inputs - from neurons X, Y, and Z. Stimulation of neuron X causes the postsynaptic n
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Answer:

Y is probably excitatory and Z is probably inhibitory

Explanation:

  • Two neurons communicate with each other generally by releasing neurotransmitters.
  • The neuron which releases the neurotransmitter is termed as presynaptic neuron and the neuron to which the neurotransmitter binds to exert its effects is called as postsynaptic neuron.
  • Based on the nature of the neurotransmitter released, the presynaptic neurons can either be inhibitory or excitatory in nature.
  • The change in the membrane potential of the postsynaptic neurons depends on the total sum of inputs coming from different pre synaptic neurons at a given time.
  • From the given situation, the stimulation by X alone is causing deploarization of 0.5 mV which shows that it is causing excitation, and since depolarization is increasing when X and Y are stimulaneously stimulated Y is also excitatory in nature. However the depolarisation is not occurring when X and Z are stimualted together and hence, Z is probably inhibitory in nature.
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3 years ago
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Need to subtract the 48N by 29N to get the resulting negative force of -19N
7 0
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Which diseases are caused by hereditary factors?
Phantasy [73]

Answer:

type 1 diabetes and cancer

Explanation:

All the others are contagious diseases that you can contract, but type 1 diabetes and cancer can be caused by genetics. The others are all things that you can usually recover from while cancer and diabetes are usually conditions that cannot be escaped sadly.

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over a period of years the average rainfall in an area has decreased causing environmental changes most likely to survive these
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a population of mealworms because they do not need water at all

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