Answer:
biotic factor = vegetation cover and insect abundance
Explanation:
abiotic factor = ambient temperature, cloud cover, wind strength
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 :)
A seismometer is used to measure the motion in the ground caused by earthquakes, volcanoes, or explosives.