Color I believe because if a diamond was the same color as coal(black) you couldn’t tell a difference
If a scientist is planning to carry out such an experiment it wouldn't be appropriate to go and test this right ahead without any serious protection. It is always advised that scientists first collect data after they've created their initial hypotheses and read the required literature.
Starfish has a endoskeleton
a coral has a exoskeleton
sponge has neither
Euglena are like all other cells because they<span> grow and reproduce. They obtain nutrients by taking in other microorganisms an make their own food by using the energy from sunlight.</span>
