<span>The oldest rocks preserved in the planet contain the earliest evidence of life on Earth. Earth is said to be about 4.5 billion years old however the first signs of life on Earth was only about 3.5 billion years ago. Therefore, water on Earth was able to sustain life that long. The answer is A. True. </span>
Adaptation, inherited traits that increase an organism's chance of survival, also determine an organism's niche.
Adaptations are features or behaviors exhibited by organisms and are usually common in a population. Adaptations evolve by natural selection and they fit organisms to their environment. Adaptations have functional roles and may be physiological, structural or behavioral. The long necks of giraffes for feeding in the tops of trees, and the long canine teeth of carnivores are examples of adaptation.
Answer:
C
Explanation:
Sleet is pellets of ice that form when snow falls into a warm layer and melts into rain. The rain then falls into a freezing layer of air that is deep enough to refreeze the raindrops into pellets
Answer:
D. in Animals the cell membrane pinches together
Explanation: