Why would it be better to look at living cells than a dead ones?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

20 how are energy cycles and growth cycles related?