Galaxies are basically <u>billions and billions of stars, gas, and dust packed together which forms a galaxy. </u>
The phrase that best defines a galaxy is "large collection of stars, gas, and dust held together by gravity".
Answer:
A. The algae are heterotrophs
Explanation:
Algae which are heterotrophic obtain nutrients from complex organic substances. Thus, this type of algae is a consumer. This is in contrast to autotrophs, which form their own organic substances from simple inorganic substances. They produce their own energy
The diammonium phosphate which run off until the lake nourish these algae and make them grow without limit.
Answer:
Probabilities of having an unaffected child RR + Rr → 0.87 = 87%
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Answer:
Energy does not cycle the way nutrients and atoms do. Energy enters the ecosystem from the Sun and exits after the organisms have taken as much as they need. Organisms release energy back into the biosphere as heat.
