Answer:
1.Plants give off oxygen and take in carbon dioxide given off by animals. Animals give off carbon dioxide which plants need to make food and take in oxygen which they need to breathe. Plants cells have cell walls and other structures differ from those of animals. ... Plants are autotrophic Animals are heterotrophic.
2. The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column. Examples of vertebrates include humans, birds, and snakes. Vertebrates have a skeletal structure with a spinal column or backbone.
e.g tuna for vetebrates , for invertebrates worms
3.Mammals are endothermic vertebrates.
Have hair and fur on the body.
Four chambered hearts.
Have sebaceous (fat secreting glands), sudoriferus (sweat), and scent glands.
Have heterodont dentation (different types of teeth)
Posses diaphragm.
7.Mutualism is a symbiotic interaction in which both species benefit from the relationship. But, parasitism is another type of symbiotic interaction in which the parasite benefits on the expenses of the host. ... The main difference between mutualism and parasitism is the type of relationship
