What type of scientists studies tree rings to determine the history of an area?

paleobotanist

paleontologist

dendrochronologist

micropaleontologist

How does sexual reproduction contrubute to the quantity of genetic diverity among individial?

A normal human body contains: 23 chromosomes 23 pairs of chromosomes 1 pair of chromosomes 46 total chromosomes 92 total chromosomes 20 pair of autosomes

What are enzymes important for

List some ways of plant cells are made of cellulose

Which statements describe why organisms are classified? Check all that apply. Classification shows how closely related organisms are to each other. Classification makes it easier to identify the color of an organism.

1. What does it mean to say that bones articulate with each other?

Suppose the probability that a major earthquake occurs on a given day in Fresno, California, is 1 in 10,000. a. In the next 1,000 days, what is the expected number of major earthquakes in Fresno? b.

In a 10 m2 ecosystem, there are 40 possums. What is the population density of possums? 02 per m2 04 per m2 010 per m2 040 per m2

The lesson: the diploid phase of a plant life cycle begins with a fertilized egg called a zygote. a zygote divides by meiosis and grows into a mature sporophyte. a sporophyte is a spore-producing plant.

Which of the following is true when creating a graph? The independent variable is on the x-axis. Dependent variables are omitted. There must be at least 10 numbers on each axis. The data must be capable of being plotted as a straight line.