A farmer needs to control pests in order to produce healthy food crops. Which method of pest control would most likely have the smallest impact on the environment? A spraying the crops with liquid pesticide
B
using beneficial insects that eat the pest insects

С
having the crops dusted with powdered pesticide
D
vacuuming the pests up using a gas-powered machine

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?