Free-living flat worms = carnivores or scavengers
Have digestive cavity, mouth, pharynx
Parasitic Flatworms: = Feed on blood, tissue fluids, or pieces of cells from within a host
Answer:
12:4:3
Explanation:
Let the lack of color pigmentation which is recessive be aa where AA and Aa allow for color (BB, Bb - black, baby - white).
The F1 parents are BbAa x BbAa
This cross will produce 12/16 blacks, 4/16 albinos and 3/16 white.
Answer: because as CO2 acts as a green house gas is absorbing rather than reflecting the heat energy received where infrared radiation is simply radiation emited by heated /hot body
