All the different plant populations make up the plant in this swamp. the plants are part of the bigger that contains many biotic and abiotic factors. a) community: biome b) community: ecosystem c) ecosystem: biosphere d) population: community

Which of the following would most likely be key to gathering evidence that the rna world hypothesis is valid? creation of suitable environments for long-term study of single-celled organisms simulation of early earth conditions and long-term study of the resulting molecules development of a system for studying the microsphere's ability to absorb additional molecules categorization of the different specific conditions that result in the development of microspheres

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?