PLS ANSWER PLS PLS PLS THIS IS MY LAST QUESTION ON MY TEST I GIVE In the Andes Mountains, how does energy flow in an ecosystem that contains grasses and shrubs, pumas, and guanacos?
pumas to guanacos to grasses and shrubs
guanacos to grasses and shrubs to pumas
grasses and shrubs to guanacos to pumas
pumas to grasses and shrubs to guanacos

Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.