Ecology

Which of the following is a biotic component of soil?

• Water

• Air

• Bacteria

• Both A and B

Based on the concept of what "symbiosis" means, the root word "sym" would most likely mean...

• Similar

• Together

• Complete

• Benefit

FACT: There are currently gray wolves living in North America and Europe - All of these wolves are considered to be part of one population

• TRUE

• FALSE

A food web diagram shows a community, but not the ecosystem. Why?

• Ecosystems only focus on abiotic factors, not biotic ones

• Not every single organism can be shown on a food web diagram

• Food web diagrams do not show abiotic factors

• Food web diagrams show more than just one species

There are more types of biomes in the Northern Hemisphere that the Southern one because...

• The southern hemisphere is too hot to support anything but rain forests or deserts

• The northern hemisphere has had more thorough scientific research (so we have discovered more)

• Actually, the southern one had a greater variety of biomes due to all those oceans

• The norther hemisphere had more land, whereas the southern had more ocean

Which level of ecological focus best fits the meaning of "habitat"?

• Ecosystem

• Niche

• Population

• Community

Biotic factors can actually change and/or influence abiotic factors around them

• TRUE

• FALSE

Biotic

Abiotoic

Entire live-able part of the planet