Many fish use the way they look to communicate. What feature makes the queen angelfish in the picture easy for other queen angelfish to find? A.
large sharp teeth
B.
very small fins
C.
brightly colored scales
D.
a short thin body

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.

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.