Why do you need a nervous system

How do we know that the Earth was molten/liquid during its early stages? Make sure to explain the role of density in your answer

The inner planets are called terrestrial because they a. have no atmosphere b. are small and highly dense c. have Earth-like oceans d. are visible from EArth

Explain how hemispheres are divided

How are adenine and guanine alike and different

And example of need is

All organic molecules contain the element carbon.

Which cell part contains directions for cell growth and reproduction? A. cell wall B. plasma membrane C. nucleus D. pores

Which of the following statements are incorrect? A. Stem vascular bundles in monocots are in a ring. B. Dicot roots are fibrous in structure. C. Pollen in monocots has one opening. D. Dicots have floral parts mostly in multiples of fours and fives.

In the living world, there is a great deal of genetic variation. The genetic information of dogs differs from the genetic information of cats. The genetic information of plants differs from the genetic information of bacteria.

Explain the concept of same DNA in all body tissues