Trying to explain why a cactus need a little water to survive is an example of

A. Prediction

B. Drawing a conclusion

C. Scientific inquiry

D. Classification

What type of chemical bond is present within a single water molecule? A) hydrogen bond B) polar covalent bond C) nonpolar covalent bond D) ionic bond E) noncovalent bond

About how many years ago did farmers begin to domesticate maize?

Natural selection would favor which of the these rabbits in Antarctica? A) brown rabbit B) white rabbit C) black rabbit Eliminate D) white-and-black rabbit

What is biological evolution

Which option is an example of physical property 1) state of matter 2) pH 3) toxicity 4) rusting ability

Ozone is classified as a secondary pollutant. identify the primary pollutants necessary for its formation and describe how tropospheric ozone is formed.

Research on galapagos finches by peter and rosemary grant showed that a type of natural selection called

Hormones regulate both the male and female reproductive systems. The principal male sex hormone is testosterone and is produced in the testes.

During cell replication, often pieces of nucleotides at the end of a DNA strand may be broken or lost.

Put the following levels of organization in order from least inclusive (1) to most inclusive (5). tissue organism organ cell organ system