Hawks, like all consumers, must eat for carbohydrates. trace the flow of energy, sun to hawk, in their habitat.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.

Specialized enzymes called polymerases can bypass distortions in the dna template but tend to introduce replication errors because they have lower fidelity compared to other dna polymerases.