Will give brainliest and 5 stars, asap why did the animal and plant cells lack cilia, flagella, or other means of locomotion?

Which sentence best expresses the differing opinions of these two book reviews?

Are the earth's ocean floor and continents the same age geologically? why or why not?

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?