Ecology

Choose the letter from the right that matches the statement on the left.

Choose the letter from the right that matches the statement on the left.

Grass, deer, cows, humans, ants, and grasshoppers are all examples of ____________.

In 1993, floods caused the squirrel population to drastically decline in six states. What would the floods be an example of?

The number of bison in Custer State Park is an example of a __________.

When looking at the living and non-living things together in an area, it is ____________.

What would a tornado be an example of?

Bacteria that help to break down dead materials are important to the environment because they act as ________________.

A beaver lives in a stream. This describes the beaver's ________________.

In an ecosystem, ____________________ have the largest population.

Ferns, oak trees, cacti, and algae are all the first links in food chains and are examples of ______.

A food chain always begins with a producer.

Nearly all energy used by living things can be traced back to ______.

Oxygen is a(n) ______ factor.

What level of an energy pyramid has the greatest amount of energy available?

The removal of which type of organism would be the most harmful to an ecosystem?

Oxpecker birds eat the ticks found on a rhinoceros. What is the relationship between the oxpecker bird and rhinoceros?

A flea feeds on a mouse's blood, possibly infecting the mouse with a disease. What type of relationship do the flea and mouse have?

Bison walk through grass making the insects fly around so that cowbirds can see the insects and eat them. What is the relationship between bison and cowbirds?

A close relationship such as parasitism, commensalism, and mutualism between two species is called ___________________.

Rat snakes eat mice. This is an example of what kind of relationship?

A pond has a large amount of algae growing on the top. What should be considered before releasing algae eating fish into the pond to fix the problem?

Moths sometimes have markings on their wings that resemble owl eyes. This is an example of ____________ that helps to protect the moth from predators.

Vultures are __________________ because they feed on animals that are already dead.

If the deer population in Madeup County goes above 30, many deer begin to starve because there is not enough food. This is because the population of deer has gone over the ______________________ of the ecosystem.

The lack of food for more than 30 deer to survive at a time is a ____________________.

Match each term with its definition.

What type of organism eats only producers?

What type of organism eats only meat?

What type of organism will eat both producers and consumers?