How does loose DNA become a chromosome?

Which part of the palezoic is called the age of fishes?

What is the purpose of meiosis? How does the cell do the following: reduce the chromosome number in half and create genetically different cells?

Scientists have discovered fossils on an island. What type of rock are they most likely examining? Igneous Metamorphic Rock from the earth's core Sedimentary

Lakes and oceans are able to stabilize air and land

What happens after the first stage separates? in a multistage rocket

In which horizon of a soil profile is the parent material usually found?

Match these items. 1. new varieties of roses animal husbandry 2. new varieties of chickens archaeology 3. beginnings philosophy 4. a body of personal ideas and opinions plant breeding 5. ancient history, cultures origin

Read the passage below. It summarizes survey information. The Global Youth Tobacco Survey asks youth to fill in the answers to several questions about their tobacco use.

Dysfunctional breathing results in an increase in the activity level of which of the following secondary respiratory muscles a. Scalenes b. Rectus abdominis c. Internal oblique d. Diaphragm

What does it mean when we say that water molecules break apart?