The plant ground tissue system consists of three tissues that can be distinguished by which of the following?
O a. Cell wall structures
O b. Lysosomal content
O c. Mitochondrial shape
O d. Enzymatic activity
O e. Amino acid composition

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

People with one sickle cell allele are not likely to get malaria. what is this an example of?

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping