Answer:
Correct answer is a pleomorphism
Explanation:
Some bacteria have the ability to change their shape and size which is called pleomorphism. The bacteria which change their shape and size are called pleomorphic bacteria.
These bacteria change their shape due to the change in the external environment condition. For example, bacteria can from rod to coccus shape as their environmental condition changes.
Some examples of pleomorphic bacteria are mycoplasma, some members of the Deinococcaceae family, helicobacter pylori, etc. So the correct answer is a.
Answer:
A. There are fossils of extinct ancestors of horseshoe crabs and the species is still alive today.
Explanation:
C and D have more to do with how it can be a fossil. It is a living fossil because its ancestors have been found in fossils, yet it continues to live today.
Answer:
Cellular respiration
Explanation:
Cellular respiration is the process through which organic compounds are broken down enzymatically to release energy in form of ATP in the cell. Cellular respiration occurs in the mitochondria and cytoplasm.
Mitochondria contain enzymes that catalyze and control reactions of respiration. The inner membrane is folded into cristae to create large surface area for attachment of enzymes. The end products of cellular respiration are carbon dioxide, water and energy.
