Answer:
i think it's A. why? because bumblebees pollinate flowers making more grow but dragonflies EAT the bees so they'll decrease.
 
        
             
        
        
        
There won't be any Photosynthesis occurring and plants and tress will eventually die.. When the plants die the omnivorous animals will die of hunger..... Also we will be suffering from famine
 
        
             
        
        
        
Answer:
Active Transport
Explanation: it is the movement of dissolved molecules into or out of a cell through the cell membrane.
Hope this helps
Plz give me Brainliest.
 
        
             
        
        
        
Answer:
A set of practices that humans can follow to meet their needs without causing long-term, negative effects on species or ecosystems.
Explanation:
Sustainability means "the ability to be maintained at a certain rate or level." So sustainability is the ability for humans to meet their needs, while also maintaining the ecosystem and different species at the same rate and level.