By Examining the fin of a primitive fish, scientists have found similarities in bone structure to that of modern-day reptiles, birds, and mammals. What type of evidence does this describe? A. Vestigial structures
B. Embryonic structures
C. Analogous structures
D. Homologous structures

Apower plant recently purchased land and will be building a large factory on wetlands in florida. which of these is not an environmental effect of destroying these wetlands? question options: destroying the wetlands will create a loss of habitat for many species. destroying the wetlands will create flooding. destroying the wetlands will create species to relocate to a new area. destroying the wetlands will change the climate in this area.

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false