Biology, 28.12.2019 01:31 devbar3416
Aone-hectare pond is sampled in early september. the sample yields 1 small catfish as well as 17 benthic invertebrates that represent 10 species.
if the pond is resampled a year later, which of the following would best indicate that the pond had been adversely affected by adjacent development?
a.) an uncommon species has become more numerous
b.) an increase in low-tolerance species has occurred
c.) a decrease in high-tolerance species has occurred
d.) phylogenetic diversity has occurred
e.) the biodiversity of the pond has decreased
Answers: 3
Biology, 22.06.2019 00:30
Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?
Answers: 1
Aone-hectare pond is sampled in early september. the sample yields 1 small catfish as well as 17 ben...