How many bones we have in our body

Why is the difference in shape of plant and animal cells necessary for there function

What kind of substance accepts an electron pair? A. alkali B. hydroxide ion C. base D. acid

Spermatogenesis is meiotic cell division that produces four genetically identical sperm cells. spermatogenesis is meiotic cell division that produces four genetically identical sperm cells. a. True b. False

Water also has the ability to hold on to heat which is also know as having

What happens when previous adaptions are no longer suitable for changes in the environment? A. Extinction B. Adaptions C. Evolution D. Artificial selection

Which molecules are involved in protein synthesis? A) Transfer RNA, introns, and mutagens B) messenger RNA, introns, and Ribosomal RNA C) Ribosomal RNA, transfer RNA, and mutagens D) messenger RNA, Ribosomal RNA and transfer RNA

Which of the following is not a forebrain structure? amygdala hippocampus pons thalamus

Specific immunity is associated with antibodies. true or false

Discuss why obesity is a growing epidemic.

The__ climates make up the largest climatic zone on earth a) dry b) continental c) polar