Keystone species have a large effect on the types and abundances of other species in an ecosystem.
Answer the following statement true (T) or false (F)
True
You might also like to view...
This type of weather forecasting uses physical models of the atmosphere: ________
Fill in the blank(s) with correct word
Calcification is likely to occur in
A) areas characterized by coniferous forests. B) areas with Vertisols. C) tropical climate regions. D) arid, semiarid, and grassland environments.
What are the eight most common elements found in Earth's crust, listed from most common to least common (by percent)?
a.) oxygen, silicon, aluminum, iron, calcium, magnesium, potassium, sodium b.) oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium c.) oxygen, silicon, aluminum, iron, calcium, potassium, sodium, magnesium d.) magnesium, potassium, sodium, calcium, iron, aluminum, silicon, oxygen e.) oxygen, silicon, aluminum, iron, calcium, sodium, magnesium, potassium Submit
Which of the following is a primary pollutant?
A) Nitric acid B) Lead C) Sulfuric acid D) Ozone