Giraffes have long necks that allow them to reach more food sources in their habitat. The long neck trait is an example of

selection.

adaptation.

radiation.

homology.

What single feature is primarily responsible for the variation of climate in different parts of the world? A. Intensity of wind B. Angle of incoming sunlight C. Lent of daylight D. Amount of precipitation

the decline of a single species in an ecosystem rarely affects the other species living in the ecosystem true or false

Which statement is a good description of biomes? a) Many types of water and land biomes exist on earth. b) Land biomes are more complex than water biomes. c) Biome types only refer to areas on land, not water.

The speed of water is an important abiotic factor in a freshwater ecosystem because

Among ancient members of the genus Homo, a shift to a diet focused on meat-eating required new skills and created new challenges for our ancestors around 2.5 mya.

What is current density?

What is radiant energy

Prairie dogs are highly social, burrow dwelling rodents. Families have a stnct sou E) 1.5 hierarchy and their "towns" can span hundreds of acres. In one colony, 750 animals live in a 500m2 area. What is the population density? A) 150 B) 2.

Which of the following represents a unique characteristic of many animals that, in general, distinguishes them from the members of other kingdoms?

Which kind of scientist would most likely study living organisms?