Atmosphere:

is mostly made of nitrogen

is weightless

protects earth from harmful radiation

contains water vapor

is affected by events in the hydrosphere

Giraffes have long necks that allow them to eat leaves in trees. What characteristic of life is this most directly an example of?

Identify the terms described by selecting the correct word from the drop down menu Anything that has mass and take up space Atom Element Matter The part of earth in which life exists including land water and air Thermosphere Biosphere Exosphere

Atoms are NOT composed of which of the following? protons neutrons electrons xenons

Which mechanism of cellular transport moves substances against a concentration gradient and requires the use of energy?

1. Your unique genetic identity comes from three different events; crossing over, random alignment, and random fertilization. Explain what each of these are and how they lead to genetic diversity.

Mendel first crossed true-breeding plants to produce a second generation, which were then allowed to self-pollinate to generate the offspring. How do we name these three generations?

In humans, red-green color blindness is inherited as an X-linked recessive. If a color-blind woman marries a man with a normal vision what will be the expected phenotypes of their children with respect to this trait?

How are filter feeders and fluid feeders alike

Is a rodent red blood cell prokaryotic or eukaryotic

Which portion of the cerebral cortex is most closely adjacent to the ears?