Answer:
2. Hip bones
Explanation:
More than 40 million years ago, whales had ancestors who walked on land. Even now, they have a feature they inherited from them - hip bones. Scientists used to think that they are vestigial, i.e. that they lost their function. However, recently they discovered that these bones help whales (and other marine mammals who have them, such as dolphins) maneuver better mating.
Whales developed the rest of the listed features later, when they became marine animals. This is why they are incorrect.
Answer:
it is a neurotoxic protein
Explanation:
It effects how the brain carries out daily essential life functions and hinders the medulla oblongata after long enough exposure. Also causes partial paralysis
Answer:
I think A. The number of cacti, flowering shrubs, and desert trees that could grow during an extended dry period.
Explanation:
The Answer Would Either be C or D
Answer:
Heat energy is required to establish the electron transport chain
Explanation:
The rest of the choices are true about mitochondrial chemiosmosis