Answer:
the first level is of producers... Above the producers are the primary consumers ... then the Primary consumers and the Secondary consumers ... Above all are the tertiary consumers that are at the top of the food chain...
Explanation:
The main reasons for global bees-decline are industrial agriculture, parasites/pathogens and climate change. The loss of biodiversity, destruction of habitat and lack of forage due to monocultures and bee-killing pesticides are particular threats for honeybees and wild pollinators. It is becoming increasingly evident that some insecticides, at concentrations applied routinely in the current chemical-intensive agriculture system, exert clear, negative effects on the health of pollinators – both individually and at the colony level. The observed, sub-lethal, low-dose effects of insecticides on bees are various and diverse.
onion cells are plant cells, while human cheek cells are animal cells. the onion cells have the distinctive brick-like shape while the cheek cells are more round. this is a qualitative observation
The term that refers to an early system of paving roads with crushed rock and asphalt is macadam. The correct answer is B.