Which animal is most likely to have an open circulatory system? A. Crab
B. Bird
C. Dog
D. Lizard

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

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?