Answer:
a. The size of their population
Explanation:
If the number of wolves increases but their food supply does not, there will be greater competition for the food.
b. is wrong. The amount of oxygen would have no effect on the competitiveness of the wolves.
c. is wrong. If the amount of food available increases, the wolves will have less need to compete for their food.
d. is wrong. If the area into which the wolves are expanding is like their current habitat, it will contain more food for them. They will have less need to compete.
(ver-TEE-brul KAH-lum) The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The vertebral column encloses the spinal cord and the fluid surrounding the spinal cord. Also called backbone, spinal column, and spine. Enlarge
Molecules that have the same chemical formula but have different molecular structures are: Isomers.
False. Government sanctioned activities to improve ecosystems have helped to protect areas of wildlife and ecosystems from development and human activity. Although not always wholly effective, government sanctioned activities are in place to protect.