Which of the following is not an important characteristic of a scientific investigation?

A) detailed documentation of results.

B) ignoring unfavorable results.

C) the ability to be repeated.

D) solid supporting evidence.

When you cut yourself, the damaged cells immediately release chemical alarm signals, such as?

How does the usable form of nitrogen enter our bodies?

Which words or phrases describe characteristics of quartzite? Check all that apply.

Describe the energy transformation that occurs during photosynthesis and cellular respiration

Which of these is a solution? a. oil and water b. soda pop c. h2o

A part of the brain involved in emotions and including the insult, hippocampus, and parts of the diencephalon is the: a. Corpus callosum b. Basal ganglia c. Limbic system d. Cerebellar peduncles e. Cerebral cortex

When crude oil is spilled in the ocean, how is the ecosystem affected? A. The supply of nutrients is increased. B. The consumers produce more energy. C. Hydrogen is removed from water molecules. D. Coral reefs and other fish habitats are destroyed.

This enzyme unzips DNA

At which stage of scientific thinking are scientists most likely to consider the data and conclusions of other scientists to propose new experiments? a. observing b. testing hypotheses c. analyzing data d. forming hypotheses

How do scientists distinguish between reptiles and mammals?