Louden county wildlife conservancy counts butterflies each year. data over the last three years regarding four types of
butterflies are shown below. what inference can be made about the butterflies in louden county from the samples?
14
2009
meadow fritillary
variegated fritillary
zebra swallowtail
eastern-tailed blue
5
7
33
242
louden county butterfly count
2010
meadow fritillary 34
variegated fritillary 95
zebra swallowtail 21
eastern-tailed blue 168
2011
meadow fritillary
variegated fritillary
zebra swallowtail
eastern-tailed blue
10
170
a) all butterfly populations are steadily decreasing.
b)all butterfly populations were larger than usual in 2010.
c)the eastern-tailed blue butterfly is more common than the others.
d)the meadow fritillary is equally common as the variegated fritillary