Heat rising in a hot-air balloon is an example of a. conduction b. convention c. radiation d. solar

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Models are non-visual ways of coummincating how someone thinks about something in the natural world