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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

What is species and speciation? - Science and Technology 2

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प्रश्न

What is species and speciation?

टीपा लिहा
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उत्तर

  1. Species is a group of organisms that can produce fertile individuals through natural reproduction.
  2. Speciation is the formation of new species of plants and animals as an effect of evolution.
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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Heredity and Evolution - Solve the following questions

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संबंधित प्रश्‍न

Explain the following:- Speciation


List three main factors responsible for the speciation and briefly describe each one of them


What factors could lead to the rise of a new species?


Only variations that confer an advantage to an individual organism will survive in a population. Do you agree with this statement? Why or why not?


State one advantage of variation to a species.


How does the creation of variation in a species ensure its survival


In peas, a pure tall plant (TT) is crossed with a pure short plant (tt). The ratio of pure tall plants to pure short plants in F2 generation will be ______.


Name an animal having rudimentary eyes.


Choose the one term from the following which includes the other three :
broccoli, wild cabbage, cauliflower, cabbage


Give an example of characteristics being used to determine how close two species are in evolutionary terms.

 

 State the various factors which could lead to the formation of new species.


How are those species which are now 'extinct' studied?

 

The human species has genetic roots in ______


The theory of evolution of species by natural selection was given by ______ 


List any two factors that could lead to speciation.


The process by which new species develop from the existing species is known as ______ 


In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: Speciation is the reproductive isolation amongst once interbreeding population.

Reason: Genetic drift, Natural selection, and Severe DNA change can cause speciation.


Add a note on allopatric speciation.


Add a note on sympatric speciation.


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