Answer:
A plant cell is your answer
Explanation:
prosses of elimination
animal cell - dose not have a cell wall
algae cell - its cell wall has more of a bubblelike appearance
bacterium cell - cell wall is not rigid, and color can vary it has more of a lose thread type look.
plant cell - has a green cell wall that is rigid <--- this is your answer
Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
3. genotype is round seed
phenotype is Rr
4. genotype is grey fur
phenotype are WW and Ww
5. genotype is short
phenotype is tt
1. genotype is high metabolism
phenotype are HH and Hh
Explanation:
The dominant trait is the capital letter and the reccessive is the lowercase letter.
To do a punnet square you bring down each letter say like problem 1, you bring down capital D down and little d down to each of the 2 squares below them, then you drag the sides to the right of the two squares and you get DD for the first square, then Dd, then below Dd, then next to it DD.
Phenotype is a organism's actual appearence.
Genotype is a gene combination. The gene combination that determines the phenotype
I would say that the fishes exhibited the greatest diversity (though the brachiopods also had considerable diversity) and mostly were of the ostracoderms (with a platey or shell-like skin and no jawbone) which exhibited many varieties and also the placoderm which had gills, a jawbone and fins so was developing characteristics of modern fish.