Its chordata phylum
beacuse with currently about 64000 species described as chordata phylum
Star brightness is defined by either <span>D. apparent magnitude - when we measure it from Earth (that is how bright it is from Earth) - this is the closest to "basic observation" and the best answer
or by absolute magnitute - how bright it would be at a certain distance (this allows to compare the brightness).
</span>
Answer:
Medulla and renal pyramid
Explanation:
The urinary system is comprised of the kidney, ureter, urinary bladder, and urethra. The kidney produces urine, which contains excess water, electrolytes and waste products of the body. It then flows down the ureter into the bladder where it is temporarily stored. The bladder is then emptied via the urethra.
Naturally occurring compounds in the earth are called minerals.
In negative control, a gene is switched off when a regulatory protein binds to DNA and shuts down transcription.
