Answer:
3.Biotic factors are all of the living organisms within an ecosystem. ... Both biotic and abiotic factors are related to each other in an ecosystem, and if one factor is changed or removed, it can affect the entire ecosystem. Abiotic factors are especially important because they directly affect how organisms survive.
week2
1.Living things breathe, reproduce, grow, move and die whereas non-living things do not breathe, reproduce, grow and move, they are eternal and do not have an end which makes them completely different form Living things.
2.In all these environments, organisms interact and use available resources, such as food, space, light, heat, water, air, and shelter. Each population of organisms, and the individuals within it, interact in specific ways that are limited by and can benefit from other organisms.
3.Animals and human obtain energy from the sun and they obtain energy by feeding on the plants or other source the nutrients will be absorbed to keep them alive.
