Image 1 has flipper shaped legs and a small tail. Image 2 does not have legs, has three fins on the bottom, and two on the top with a forked tail. Image 3 has two small fins on the bottom and a tail. Image 4 has legs, with toes, and a long smooth tail. Paleontologists have discovered fossils of related fish species that evolved into land animals. The images are artistic representations of these creatures. The most recent is Pederpes at the bottom. Use your knowledge of developmental changes to order the fish from earliest to most recent. Choose the correct order from the drop-down menu.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

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.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.