What is nessecary for a convection cell to be set up in a fluid?

1.) Thermal gradient and changes in density.

2.) Changes in density

3.) Thermal gradient

Which statement describes a biotic factor interacting with the environment?

Which is an accurate description of clay soil? a. low porosity, low permeability b. high porosity, low permeability c. moderate porosity, high permeability d. low porosity, moderate permeability

If a parent has 16 chromosomes and it goes through mitosis, how many chromosomes does each of the two resulting cells have?

How does the primary transcript in the nucleus of a eukaryotic cell compare to the functional mrna?

Any biotic or abiotic factor that restricts number or reproduction

What is a controlled experiment? A. An experiment that uses carefully controlled conditions B. An experiment that is performed inside C. An experiment that has no manipulated variable D. An experiment that is controlled by a company

Which is more numerous, the amount of microbes or the amount of people

Which type of cell is created during meiosis? A) skin B) liver C) blood D) sperm

What is the purpose of a reserve?

In which organelle are the lipid components of the cell membrane assembled