To protect itself from herbivores,
a. secrete toxins
b. have thorns
c. both secrete toxins and have thorns
d. cannot do anything because they cannot protect themselves

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and