Which condition is a biotic factor if an aquarium ecosystem ? a. temperature of the water b. algae growing on the glass c. gravel on the bottom of the aquarium. d. amount of oxygen in the water

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Explain why biological control methods are generally environmentally superior to chemical pest control methods.