Following the sequence of Mendel's heritability study in paragraph 6, which of the
following is true?
A Mendel began by breeding two of the same true-breeding parents.
B Mendel began by breeding two different types of true-breeding parents.
C The offspring of the P generation were known as the first filial generation.
D Both B and C

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane