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

Why does sexual reproduction result in greater diversity among offspring than does asexual reproduction

Which statement is an example of parasitism? Psuedoscorpions hide under beetles' wings for protection and transport. Wasps lay eggs inside hornworms and after the eggs hatch, the wasp larvae feed on the hornworm.

What determines whether an igneous rock will have large crystals or small crystals?

Which of the following statements about prokaryotic cells is correct? They reproduce asexually through a form of cell division called binary fission. b. They contain multiple chromosomes floating in the cytoplasm. c.

Plants produce all of the molecules they need for survival from inorganic compounds. Some elements, like nitrogen, come from the soil. Where do the elements required for photosynthesis come from?

What are some examples of aibiotic factors?

Nearly all cells found in multicellular organisms have similar needs as a result most organisms have developed similar what to meet those cell needs

Which is the fifth most common pool where carbon is stored apart from the Earth's crust, ocean, soils, and atmosphere?

A person is walking through a park. A branch from a tree falls, nearly hitting her. Her heartbeat speeds up. Which part of the nervous system was responsible for this?

A traveler finds herself in a biome that is full of trees. She notices that there are many plants growing on the ground. Which of the following clues would confirm which biome this is? A. Many animals are ending their hibernation. B.