Read #2
Which is an example of
something where cells
are working together to
perform a function?
A. Energy from the Sun heats the
Earth
B. Tissue in the stomach
C. A large pane of glass for
protection
D. The top of a table holds plates
Kesler Science. com

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously