A system is a type of model? True or false

Which blow toward the low-pressure areas of the westerlies? jet streams trade winds horse latitudes polar easterlies

What is the organization of your own cells, starting with the smallest unit and going to the level of organism?

Which life process is necessary for the survival of a species but not necessary for the survival of the individual organism?

How do organisms and populations in an ecosystem depend on biotic and abiotic factors such as quality of light, water, range of temperatures or soil composition?

DNA does not duplicate True False

If there are 14 chromosomes in pea plant cells how mant chromosomes are present in a sex cell of a pea?

Semiconservative replication involves a template. What is the template? a. DNA polymerase b. one strand of the DNA molecule c. single-stranded binding d. proteins an RNA molecule

What statement about zygotes is correct? A. Zygotes have a full set of chromosomes, receiving half from each parent. B. Zygotes have twice the number of chromosomes as each of its parents. C.

A ___ is a type of turbine used to capture the energy of moving air

Down Syndrome is caused by trisomy 21. True or false