Step 1. Simplify brackets
Step 2. Simplify
13
Done! :)
Your answer is A. 13 Hope this helps!
The best answer is D, birds.
For more information and details on the way a bird's respiratory system works:
https://asknature.org/strategy/air-flow-patterns-facilitate-efficient-gas-exchange/
Answer:
The correct answer is - D. natural selection.
Explanation:
Sexual selection takes place due to competition between individuals of the intraspecies same-sex and of mate choice which driving the evolution of reproductive traits.
Sexual selection is a mode of natural selection as it leads to the evolution of specific traits. Other examples or options are not related to sexual selection directly and are not affected by sexual selection.
The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.
<h3>What is RNA?</h3>
This is referred to as ribonucleic acid with its base adenine being paired with uracil.
The mRNA strand which is known as messenger RNA is complementary to the DNA template strand and carries protein information from the DNA to cytoplasm for appropriate translation.
Read more about mRNA here brainly.com/question/12388408
#SPJ1