Sort the features and characteristics by the groups they are found in.
scales
metamorphosis
gills in adults
lungs in adults
ectothermic
amniotic eggs
spinal cord
external fertilization
fish
fish and amphibians
amphibians
fish and
reptiles
fish, reptiles
and amphibians
reptiles
amphibians and
reptiles
reptiles

Which incident would result in primary succession instead of secondary succession?

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.