Unit 4 - Biological Communities

These warbler species coexist by breaking the tree into three zones. These are their __ niches

The remora hitching a ride on a shark in order to obtain food; the shark doesn't benefit

Each of these warbler species could exist in this entire tree.This would be their __ niche.

The fundamental niche is the maximum niche an organism could have in the absence of competition

a major biological community that occurs over a large area of land is a ...

What marine ecosystem would you visit to find the highest biodiversity?

The act of one organism killing another organism for food.

Microscopic photosynthetic organisms that are at the bottom of the aquatic food chains

Gut bacteria help the cow digest its undigested food;bacteria get food to eat. Example of ...

What effect does the removal of top predators have on the ecosystem?

When two or more species live together in a close long-term relationship

Climate changes between warm summers and cold winters.Consists of deciduous and evergreen trees

Position East/West around the world.

A tick feeding on a dog's blood is an example of ... 

Position North/West of the equator. 

Which species of barnacle has the larger fundamental niche?

These diagrams below show that both species of paramecium can coexist when grown together.

The temperate grassland has very hot daytime temperatures and very cold nighttime temperatures

Which biome would you go to if you liked to rake leaves?

When one species outcompetes the other species to the point of elimination. 

If we remove the killer whale in the food web below, what will happen to the crabeater seals?

How is predation related to biodiversity? 

What occurs as a result of a limited supply of resources for living things? 

This biome has the highest primary productivity and biodiversity

The back and forth evolutionary adjustment between interacting members of a community

I have a rainy & dry season, am located close to the equator, and contain migratory animals...

A chemical compound produced by a plant as a means of defense from herbivores.

This biome's plant life is mostly coniferous (evergreens) trees

Another name for an organism's fundamental niche is ...

Why are wetlands important?

A symbiotic relationship where both species benefit. 

Cattle egrets eat the insects stirred up by cattle; cattle are unaffected. 

The giraffe and acacia tree are a great example of ...

Which biome has the poorest of soils?

A niche is only where an organism lives. 

Realized niches are larger than fundamental niches.

A organism's niche is composed of ...

Where would you visit if you wanted to see Toucan Sam?

A relationship where one species benefits and the other is harmed. 

An organism's job or role in an ecosystem

What is a possible outcome when two species have overlapping niches?

This biome's water is unavailable for most of the year because it is frozen as permafrost

Two different species can occupy the same niche.