Maria wanted to learn more about the birds that visit her backyard. she installed several bird feeders and offered a variety of bird seed mixes in order to attract a mix of species. for a month, she observed the bird feeders three times a day for an hour each day and counted the types of birds that she saw. then, she made a pie chart to represent her findings. what is the most likely reason that she chose a pie chart? to show the total number of birds that she observed. to show the number of times that each bird visited the feeders. to show which bird species were most common. to show how the bird species changed over time

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

What is true of sea slugs in these orders

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation