You obtain a box of pine branches and cones from pocahontas state park and you indentify two species based on observable features. you have used the:
a.
biological species concept
b.
ecological species concept
c.
phylogenetic species concept
d.
morphological species concept

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided