Populations change naturally over time. Which mechanism is a method of artifical selection rather than natural selection?

A) genetic drift

B) natural selection

C) selective breeding

D) geographic isolation

The time between stimulation of muscle cells and force generation is called

Soapberry bugs are small relative to their host plants, and the bugs vary in their abilities to disperse. Although they have wings, many soapberry bugs have developed flight muscles and walk more often than they fly.

A mineral with a hardness of 6 will scratch a mineral with a hardness of more than 6. true or false

Describe the experiment you would set up and the data you would collect.

What is not a process that decreases the salinity of seawater a) precipitation b) runoff from land c) iceberg melting d) evaporation

Animal cells and plant cells contain some but not all of the same structures. Which of the following would be found in a plant cell but not in an animal cell? A. Cell Membrane B. Cell Wall C. Mitochondria D. Nucleus

6. Which of the following is NOT an environmental benefit of plants? A. Provide shade B. Increase erosion C. Provide cooler temperatures D. Filter air

Kinetic electrical energy is caused by the flow of options: atoms protons neutrons electrons

Why do cells tend to have more ADP molecules than ATP molecules

Which of the following MOST influenced the success of the new antibiotic in fighting bacteria? A the discovery of streptomycin B the development of lab conditions C the gene for calcium dependence D the cloning and copying of DNA