Why did scientists follow a set order of steps when carrying out a scientific investigation?

Some species of bacteria can copy their DNA and divide every 40 minutes. If a colony of 100 of these such bacteria begins with a population of 12 at noon, how many will they be by 6pm?

What experimental evidence supports the model of metallic bonding?

How osmosis takes place in animal cell?

Which of the following is not considered part of the general description of "economy?" A. Consumption of goods and services B. Distribution of goods and services C. Environmental impact of goods and services D. Production of goods and services

As a marine biologist, you are trying to teach a dolphin to jump over a bar. At first, you reward the dolphin every time it swims near the bar. Then, you only reward her when she emerges from the water near the bar.

Vertebrates are actually a subphylum of the Chordata phylum. True False

Which organelle in the plant cell makes glucose from sunlight?

The major cause of air pollution is: a. industrial waste b. sewage and pesticides c. car exhaust d. radioactive waste

What effect would there be on the final daughter cell if the spindle fibers failed to pull a chromosome toward the pole, as in case of non-Disjunction?

We summarize natural selection as "survival fittest". what factor "selects" the fittest organisms in natural selection?