Answer:
its (a)
Explanation:
<h2>A tissue is a group of red blood cells of common origin which are structurally similar and perform a particular function. Organ is a group of tissues and organ system is a group of organs.</h2><h2>Therefore, the correct answer is option A.</h2>
<h2>hope it helps you.</h2>
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Answer:
Species could go extinct when their environment changed if they could not adapt to the change.
Answer:
Thanks for the points I really appreciate it.
Explanation:
Have a great day. :)
I'm thinking it's D, They have homologous chromosomes.
B. form images of internal organs