Answer:
Option B
Explanation:
The genetic code utilised by almost every organism are the same, as in the same sequences of codon codes for the same amino acid in almost every organism, thus the genetic code is said to be universal.
Answer:
Option B, paranasal sinuses: house olfactory receptors
Explanation:
Paranasal sinuses are located between the facial and skull bone. These are cavities in the maxilla, frontal, sphenoid, and ethmoid bones which ultimately drain into the nasal cavity.
Their functions include the following –
a) Heating the inhaled air
b) Humidifying the inhaled air
c) Make skull lighter
d) Produce sound by resonating the voice
e) Lubricate the nasal cavity
Hence, option B is correct
A. The ancestor of all is A
b. D is most closely related to E.
c. C evolved earlier.
d. D is closer to C.