Answer: A, a structure that has no use in the organism
Explanation:
A vestigial structure is an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species.
Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Answer:
Explanation:
Enzymes are proteins that act as catalysts. The shape of enzymes can be altered by changes
in pH or temperature. Explain how this change of shape affects the function of the enzyme.
The lymphatic capillary is called as lacteal