2. read the following scenario: marc's mother is remodeling the backyard. she decides to replace the grass with a concrete patio, cut down a large tree in the corner by the fence, and replace the rose garden with a rock garden fountain feature. how will this disrupt marc's backyard biome? how with the new design change the abiotic components? what organisms will the new backyard support?

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.