Answer:
Our results contrast with research conducted in protected areas that suggested human effects in the food web are primarily predator-mediated. Instead, human influence on vegetation may strengthen bottom-up predominance and weaken top-down trophic cascades in ecosystems.
Explanation:
Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.
<span>Herbivores posses different digestive system than that of carnivores. In the course of evolution herbivory evolved with a complex digestive tract. There is no cannine teeth for herbivores. The stomach contains billions of bacteria. The intestine is 27 times longer in length than the length of its body.</span>
Chloroplasts are organelles found in plant cells that conduct photosynthesis. Chloroplasts absorb light and use it in conjunction with water and carbon dioxide gas to produce food for the plant.