You find a fossil in your backyard. Twelve percent of the Carbon 14 isotope is remaining. How old is the fossil?

What determines the type of bandage used for an injury?

What happens first at each origin of replication?

Predators are found in grasslands because ... * A. Herbivores ate numerous B. Grasses are in abundance C. Dry seasons are long D. Rainy seasons are long

23. Select all accurate statements A. All chordates will have a muscular post an*l tail as adults B. All chordates will have a notochord as adults C. All chordates have pharyngeal slits or clefts that function in swimming. D.

Cells that are larger and more complex than prokaryotes are _ cells

Once pathogens have penetrated the non-specific barriers, they are confronted by macrophages and natural killer cells. how do these cells contribute to maintaining homeostasis?

What happens when a plate carrying oceanic crust collides with a plate carrying continental crust?

What carbohydrates humans can't digest?

What is the relationship tween genes and chromosomes a. Chromosomes contain one or more genes b. Genes contain one or more chromosomes c. Chromosomes use DNA code to manufacture genes d. Genes use DNA code to manufacture proteins for chromosomes

explain how the genetic information in one of your body cells compares to that found in other body cells