The energy role of a grizzly bear is that of a( because it cannot make its own food。

consumer

Explanation:

Consumers, as its name implies, are living things that feed on other living things to get the energy and nutrients needed for their survival. Consuming organisms are therefore heterotrophic, ie they do not produce their own food.

Consuming organisms can be further classified into primary, secondary, tertiary, quaternary and so on. However, it is important to note that chains tend not to be very large, with five or fewer links generally being observed. Among the hypotheses that explain why the chains do not extend much is the energetic hypothesis, which suggests that size is limited due to low energy transfer efficiency.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.