Which statement correctly describes terrestrial planets?

they are made of mostly rock.
they are made of gases.
they are small objects of ice and dust.
they are very large compared to other planets.

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.