List any organisms that lack tissues

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Nucleic acids offer variability because they contain alternate forms of genes called .