Co-formation theory suggests that the moon and the earth formed at the same time from dust from the solar nebula that formed the Sun.
organisms are eukaryotic(multiple cells0
viruses are prokaryotic cells (have a nucleus, a thick cell wall, and ribosomes)
Answer:C
Explanation:The role a species plays in the ecosystem is called its niche. A habitat is the physical environment in which a species lives.
Answer:
Among Sponges and Cnidarians, the difference among given facts is in "Have a network of nerve cells".
Explanation:
Both Sponges and Cnidarians have pores, they reproduce by buddings, and they live in freshwater. The major difference in both organisms is that: cnidarians have very simple nervous system made of sensory nerves that are arranged in the form of neural network. On the other hand, sponges are simple multicellular organisms without any neural network at all. In fact, they are the only multicellular organisms (animals) without a nervous system.