Answer:
An ecosystem is made up of all the living animals and plants and the non-living matter in a particular place, like a forest or lake. The idea of the web of life is shown by the interdependence within an ecosystem. ... Animals and plants depend on a complex system of food for survival.
<span>Oxygen is required and is used to break down nutrients , like glucose sugar they ( nutrients) are later broken down to generate ATP (energy) carbon dioxide & water . organisms can use cellular respiration including bacteria , animals, plants and fungi.
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C. The ecosystem but have limited resources.
Limited resources=intra and inter specific competition= the fittest survive and pass on their successful genes
Answer:
Once common throughout Africa and Asia, elephant numbers fell dramatically in the 19th and 20th centuries, largely due to the ivory trade and habitat loss.
Explanation:
Hope this can help u dear
The correct answer is option C, Planetesimal assembly
Accretion is the assembling of particle to form a massive object by virtue of gravitational attraction. Most of the celestial objects are formed by the accretion process. Planetesimals is an important step in the formation process of planet which involves the accumulation of dust and ice particles. Thus Planetary assembly work on the same principal of planetary accretion model and hence it can be stated as another name of planetary accretion model