Two factors that decrease a population are ... A. births and deaths. B. deaths and emigration. C. birth and immigration.

Which of the following describes the function of lymph nodes? A) Filter lymph using lymphocytes B) Filter blood using antibodies C) Filter lymph using antibodies D) Filter blood using lymphocytes

What are some ways you can test/sample water to gather data for a project, besides testing just the turbidity, temperature, and pH level?

What are two negative effects on the carbon cycle of burning coal? explain your answer in terms of resources and climate change.

The Earth has always had oxygen in the atmosphere. A) True B) False

What is miro organisum

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time