1.
where on earth can ecological relationships be found?

only where there is high diversity (many species)

any place where there are living organisms

only in the tropics

these are very rare and difficult to find.

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.