What is one distinguishing characteristic of eukaryotic cells? Ribosomes contain all genetic instructions Has membrane-bound organelles Cytoplasm surrounds organelles Contains genetic instructions for the cell

What bone is found just posterior to the ethmoid bone in the orbit?

Describe how sounds of different frequency are differentiated in the cochlea

Consider the biomass of the Jack pine trees in this pyramid. If the biomass of one Jack pine equals 12000 kg/m2/year, than what is the predicted biomass of the tertiary consumer level?

Explain how water pollution can also indirectly occur as an offshoot of soil pollution. Give at lease 2 examples in your response.

Before DNA was discovered, in which materials did scientists think the genetic material was stored

The front leg of an iguana and the wing of a bird look different, but both limbs likely originated from a similar limb in a shared ancestor. Structures such as these are said to be A) heterogeneous B) differentiated C) vestigial D) homologous

What's the genotype of human female

Fluid filled sacs found between the skin and underlying bony prominences are called

Trees, such as those in the deciduous forest, are very important to the environment. If the number of trees on earth continues to decrease significantly, what might be the result?

List two reasons why amphibians must live in moist environment.