What is believed to be the first type of cells on earth? a. tree cells b. eukaryotic cells c. prokaryotic cells d. plant cells

A developing cell that is totipotential is capable of developing into any type of cell in the organism. is totally committed to one cell type for life. cannot divide. is totally developed and will not differentiate.

The principles of overload, progression and specificity govern effective exercise plans. in your own words, describe the principle of overload, the principle of progression, and the principle of specificity. << read less

When Henna and Thomas first see their new granddaughter, they are surprised to find her body covered with dark hair. This fuzzy prenatal hair is called the

Would anyone be willing to check an environmental science quiz for me? Ive already answered them, I just need to make sure theyre correct.

What does a capital letter, such as T, represent in Punnet square?

What is the role of mouth

Which atoms are found in all carbohydrates?

Which group of animals has existed the longest? a. tubulidentates b. perissodactyls c. artiodactyls d. sirenians

In which organelle does the chemical process of photosynthesis occur? mitochondria nucleus chloroplast endoplasmic reticulum

What do birds have that distinguishes them from other organisms? a. Four-chambered he21 c. Amniotic eggs b. Wings d. Feathers