How do we know, today, how organic molecules like amino acids came into existence during the beginning of Earth's existence? From these organic molecules, how did life come about, especially in an environment where there was no oxygen?

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d