The three general categories of blood function are transport, regulation, and

Difference between a multicellular colony and a multicellular organism

Why do some atoms gain or lose electrons to form ions

A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water, plants, and animals inside the bottle. How is the model like a natural ecosystem? A. It has the same amount of diversity as a natural ecosystem.

an organism has the following characteristics: cell wall, heterotrophic, unicellular, and prokaryote. What kingdom does it belong in?

Meiosis is a specialized form of cell division that that produces

DNA sequencing can detect what?

Explain why entering an interglacial period resulted in an increase in biodiversity on Earth.

The ability of your heart and lungs to work efficiently during physical activity is called

For what is solar thermal energy most often used? a. heating homes b. generating electricity c. providing light

What type of cell has larger vacuoles