Answer:
B
Explanation:
A resource population is any part of the environment that can be used to meet another organism's needs. The first population acts as this because the second population is surviving by eating the first.
 
        
             
        
        
        
Evaporation
Explanation:
Evaporation is one change that would cause more water to evaporate from a stream. 
Evaporation is a phase change in which liquid is changed into its gaseous form. 
- When a substance is heated from solid to liquid, it melts. 
- After melting, additional heat causes a phase change that allows for the liquid to change to gases. 
- In the water cycle, the sun provides heat energy that causes surface water in streams to be heated. 
- This leads to evaporation of the surface water into the atmosphere where they can be condensed to form precipitation. 
Learn more: 
Phase change brainly.com/question/10972073
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Answer:
haploid daughter cells
Explanation:
Meiosis involves two divisions of the parent cell resulting in four daughter cells. Each daughter cell has half the number of chromosomes as the parent cell. In meiosis I, the number of chromosomes is reduced by half thus called reduction division. The product of meiosis I is two diploid daughter cells.
 
        
                    
             
        
        
        
Abiotic
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.  <span> 
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Biotic factors:
Plants
Microorganisms
Macroorganisms
        
             
        
        
        
Answer:
SARS- CoV- 2 is a virus that infects human by the oral-respiratory way in which the virus enters the body and these viruses have spikes on their surface made of spike proteins that allow these viruses to bind with the infected cell.
The infected cells have ACE2 receptor that is protein present on the surface of the human cells. Binding allows the structural change in the virus to fuse and enter in the cell where viruses reproduce them selves with the cell with cell system.