Answer:
Homology is the relationship between structures or DNA derived from the most recent common ancestor. Although these two structures do not look similar or have the same function, genetically, they come from the same structure of the last common ancestor.
Explanation:
Answer:
C
Explanation:
You could literally search that up. It's correct though.
"Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. At birth, these tubules contain simple round cells. During puberty, testosterone and other hormones cause these cells to transform into sperm cells."
It would validate the law of conversation of energy, because energy was not created nor destroyed but transferred from the fish to the shark.
What are the answer choices? i’d be more than happy to help
Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange