Homologous structures are structures that are similar in unrelated organisms.
true
false

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

What part of the brain is highlighted in the diagram below?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells