The iris is a plant with long, sword-like leaves. Its flowers have six petals that form a tongue and "flags." When you cut through the stem to cut flowers for a bouquet arrangement, the many vascular bundles form tough "strings" throughout the stem. From this description, it is obvious that the iris is a

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

What two fields of study provide the core information that is used to classify organisms?