Microscope is one of the invention for scientist to practice direct observation. It allows scientists to observe the world in micro scale.
<span>There are differences in the structures of bird and insect wings because b</span>irds are vertebrates and, therefore, have internal structural members. Insects are invertebrate and have external structural members.
Answer:
Its warming of sea surface temperatures
Different combinations of amino acids give different properties to proteins. Therefore, the main feature that should be used in distinguishing proteins from each other is the amino acid sequence of proteins. However, proteins can be distinguished by their size and the biochemical properties as well.