<u>Sunspots</u> are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions. They are caused by intense magnetic activity.
The very primitive organism is the oldest because, over time, organisms gradually evolved into more complex organisms. First came the primitive organism, then it evolved into the more complex one, or the younger fossil.
Answer:
Asexual Reproduction: Mitosis, genetic sameness
Sexual Reproduction: Meiosis, produces gametes, genetic variation,
Both: Nuclear Division, DNA replicated
Not too sure about the DNA replication but i hope this helps !
Answer:
Water will move into the beaker.
Explanation:
Only water can move between the bags. The water and the NaCl naturally want to reach equilibrium, so since the side with 80% NaCl is more concentrated, the water will move there to make it less concentrated. Both inside the back and in the beaker will reach 75% NaCl.
Starfish has a endoskeleton
a coral has a exoskeleton
sponge has neither
