<span>The organisms in an ecosystem fills the energy role of producer, consumer, or decomposer.</span>
The molecules are joined by loss of water to give the disaccharide sucrose.
<span>a positively charged ion
a is the answer
</span>
You could talk about how plants supply food for animals.
E.g cacti provide food and water for desert animals and rodents.
small rodents provide food for larger animals and snakes.
some animals will clean larger animals in a mutualistic relationship.
