Which was prokaryotic cells? a. rose thorn b. human kidney c. beet root d. lactobacillus

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.