The first one with the boxing crab and anemone is mutualism.
The second one with the dog and flea is parasitism.
Answer:
The correct answer is - 1:2:1 for black : blue : white chicken.
Explanation:
We know that color of the feather is a trait of the chicken that shows the codominance type of inheritance pattern where both forms of the trait are dominant and make a mix of the forms. In this case, blue is heterozygous BW and black BB and white is WW, then crossed between BW with BW
gametes: B, W and B, W
Punnett
B W
B BB BW
W BW WW
thus, the phenotypic ration is - 1 black : 2 blue : 1 white
A- Flatworms are unsegmented and only have one mouth/anus opening. And they are obviously flat
The Gutenberg Bible was the first major book printed using mass-produced movable metal type in Europe.
Hope this helps!