Answer/Explanation:
b) kidney and bladder
Kidneys are the main organ in the excretory system and the bladder stores the urine in the body. These are two of the organs that make up the excretory system.
Answer:
a substance that has a ph level less than 7
Explanation:
Answer: The answer is 18.
Ginkgos and Cycads
Gymnosperm plants such as Ginkgos and Cycads have flagellated sperm.