Which conclusion is best supported by the information? The protist is an animal-like flagellate because it has a flagellum.
The protist is a plant-like dinoflagellate because it produces oxygen.
The protist is a plant-like dinoflagellate because it was found in salt water.
The protist is an animal-like flagellate because it has a nucleus.

In kangaroos, early Joey birth helps the mother in conserving energy for herself, during the arid conditions. By early birth, she does not have to spend energy of the fetus in the uterus, and therefore, during unfavorable conditions, she just has to take care of herself and not the fetus.