Looking at the overall structure of the catkins, how do you think these trees evolved to have their pollen disperse?

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

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