Madison is trying to determine which science investigation she should do for the school science fair. She knows that some investigations involve an experiment and that some only involve making observations. Which question is one that she can answer by performing a scientific experiment, instead of only making observations?

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing