IB Biology Option C: Ecology and Conservation Quiz

Which organism is a secondary, tertiary, and quaternary consumer?

"The number of different species in an area" is called:

Rhizobium are bacteria that associate with the roots of plants providing:

What is a limiting factor depicted in this graph?

Nitrogen in the atmosphere is converted to a usable form by the process of:

This shark has a piece of plastic in its mouth. Which word best describes it?

Introduced (alien) species may become invasive when:

Which is TRUE?

The biotic index indicates the number of ____________ present in an ecosystem.

Climograph "F" most likely describes which location?

Lichens are common pioneer species and indicator species.

Introducing a natural predator to reduce the numbers of an alien species is

As an analogy, your personal niche would NOT include:

DDT is controversially used to deal with what disease

Venus fly traps are both autotrophs and heterotrophs because:

Which nutrient cycle has a slow rate of turnover and little atmospheric involvement?

Eutrophication is caused by excess:

Nitrogen is necessary for organisms to produce:

An organism's feeding position in a food chain

Mortality is another word for:

Which is an example of a photosynthetic algae?

Which is preferable?

In an energy pyramid, energy is NOT lost from one trophic level to the next as:

Which biome would have the highest Simpson Diversity Index value?

What type of relationship exists between Zooxanthellae algae and Coral?

Letter "D" represents:

Look at this kite graph and determine which species is best adapted to a sandy environment

Which is the factor which is most scarce in relation to an organism's needs?

The way that pollutants become more concentrated at higher trophic levels is:

The number of species in a community is shown on the y-axis. What is the role of Pisaster?

Fertilizer production may deplete phosphorus stores in 50-100 years.

Cane Toads in Australia would best be described as

How could you estimate the total population size of a group of live animals?

Why is the Chthamalus realized niche smaller than its fundamental niche?

Letter "B" represents:

What means that 2 species cannot co-exist in the same habitat if they share the same niche?

What has a disproportionate effect on the structure of a community?

This image shows the beginning of:

Which of the following is FALSE.

Phosphorus is necessary for the production of all the following EXCEPT:

When one species benefits and the other is not affected it is known as what?

The size and shape of a nature reserve relate to what?

Which agricultural food is the most efficient to raise?

Controlling poaching would be part of what approach to conservation

The development of a plant community beginning from a disturbed ecosystem with existing soil

How many food chains are shown in this food web?

Natality is another word for:

An organism used to assess a specific environmental condition/health