A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas exchange, and dissimilar body segments. A knowledgeable zoologist should predict that the adults of this species would also feature:.
A. a sessile lifestyle
B. a mantle cavity
C. a hemocoel
D. the same number of appendages on each body segment

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.