What is the process by which bacteria convert nitrogen gas in the air to ammonia

Where do the energy storage molecules in an ecosystem come from? (The topic is "Sunlight and Life". I'm thinking photosynthesis but I don't know for sure.

Which materials undergo radioactive decay? Check all that apply. atoms that are unstable elements that have a half-life atoms that release energy and particles elements that have turned into a new element elements that have a consistent number of

Difference between ostium and osculum

Which of the following objects is NOT a part of our solar system? A. the North Star B. the dwarf planet Pluto C. the asteroid belt D. Jupiter's moons

After spending years in the ocean, a mature salmon swims up its home river to return to its birthplace. this behavior is an example of a (n) :

Sort the variables of these three studies based on whether they are independent or dependent variables Study 1: the effect of light on flowering patterns of plants Study 2: the effect of pencillin on the growth of the E.

What idis the different between a species and a population?

Eplain I terms of osmosis why a raisin placed in a cup of water overnight will puff up with water

Why is sunlight the source for all food energy in an ecosystem?

What two digestive processes occur there?