The answer is C- Excretory system. Hope this helps :)
Answer:
0 mya, 175mya, 250mya, 400mya
Explanation:
The substance which highest million year ago should be more in-depth in the soil hence 400mpa should occupy the highest depth below the ground.
Ecosystem and pond,
not sure though but good luck !
passive: doesn't require energy, from high to low concentration
active:requires energy, from low to high concentration
i dont know maybe
Recessive genetic disorders result from inheriting 2 defective recessive alleles of gene ( one from each parent ). The x - chromosome holds about 10% of all human genes. Sex chromosomes are: males XY, females XX. Y-traits occure in males only. Y-disorders are rare.
Answer: Most recessive disorders are on the Autosomal recessive gene, and thus not x-linked.