Punnet squares are a useful tool for predicting what the offspring will look like when mating plants or animals. Reginald Crundall Punnett, a mathematician, came up with these in 1905, long after Mendel's experiments. Let's take a look at how Punnet squares work using the yellow and green peas example from im not sure about the tree by three thing but maybe this will help :)
Answer:
pues existen muchas
Explanation:
para ello es una enzima hidrolasa
que tiene la funcion de catalizar
la reaccion denhidròlisis
Answer:
Can't live in salt water..
Explanation:
C
in the first paragraph a fact is challenged
and the second one provides an example
Keystone species, they kinda hold the food webs together
