2. a rwandan, an indian and a canadian all belong to the same species.
a) what is the name of their common species?
b) suggest the taxonomic hierarchy of the species in (a) above
c) give any two reasons which prove that a rwandan an indian and a canadian belong in the same species.
(d) what is the significance of giving scientific names to biological species?

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?