Answer:
The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product. The main structures of the human respiratory system are the nasal cavity, the trachea, and lungs.
Explanation:
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Ans.
Testes and ovaries are male and female reproductive organs, respectively. These organs are similiar as testes produce male gametes or sperms by the process of spermatogenesis and ovaries produce female gametes or ova by the process of oogenesis.
These gametes fuse together to form zygote that develops into a multicellular organism. Thus, the correct answer is 'option A). both produce sex cells.'
Temperature is a measurement of the average kinetic energy of the molecules
in an object or system.
The answer is
after shock
Answer: When the non native species is introduced into the forest then the squirrel should compete with the stronger animals present in the forest for the sake of resources.
The squirrels in this case will not win from the native species present there and ultimately the population of squirrel will decrease.
The population of squirrel will get extinct at a time and would not be considered as an invasive species.
