What is formed when elements of matter are chemically combined?

Which of the following structures is responsible for regulating body temperature? a. Hypothalamus b. Medulla oblongata c. Cerebrum d. Cerebellum

If we assume that, in the African savanna, the predator population remains constant, what other, nonmobile, factor would influence the antelope population? A) human presence B) other antelope C) available grass D) competition from zebra

Which blood component is important in the formation of clots?

Although plant, animal, and bacterial cells are different in many ways, name the cell part they all have in common besides DNA.

Honey bees feed on pollen for protein and nectar for carbohydrates. True False Honey bees can visit 50-100 flowers during a single collection trip. True False

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

What happens in meiosis I that does not occur in meiosis II?