The doppler effect indicates that the universe is expanding a. light from other galaxies is the same color b. light from other galaxies is different colors c. light from other galaxies is blue shifted d. light from other galaxies is red shifted

Autotrophs a. consume their food to get energy b. may use photosynthesis to gain energy c. are also called consumers d. cannot use solar energy

14) 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.

49 ! how are energy cycles and growth cycles related?