Answer:
It's visual
Explanation:
That's the short answer it's because it visual. A pedigree has squares, circles, half colored squares and half colored circles and lines drawn to show the offspring or marriage. To me, it's like looking at a family tree except it's genetics! That's one way on how it simplifies the analysis of inheritance. Just a note to remind you about pedigrees. Squares are males and circles are female. If the box or circle is half colored with black, they are a carrier for a genetic disease (it depends on what their family has had like diabetes or sickle cell disease).
Answer:
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.
Answer:
These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division. Acquired mutations in somatic cells (cells other than sperm and egg cells) cannot be passed to the next generation.
Biotic- living abiotic- non living
Biotic: sharks, corals, seaweed
Abiotic: water, the temperature of the water