Energy Flow in Ecosystems

Front

What is a keystone species?

Back

A keystone species is a species on which other species in an ecosystem largely depend. If it were removed, the ecosystem would change drastically.

Front

How many different organisms can feed on a producer in a food web?

Back

The number of different organisms that can feed on a producer varies, but in some cases, it can be 4 or more.

Front

What is an autotroph?

Back

An autotroph is an organism that can make its own food.

Front

What is a heterotroph?

Back

A heterotroph is an organism that has to consume other organisms to gain nutrients and energy.

Front

What happens if a population exceeds its carrying capacity?

Back

If a population exceeds its carrying capacity, deaths outnumber births.

Front

What would happen to bird and frog populations if the snake population decreased?

Back

If the snake population decreased, the populations of birds and frogs would likely increase.

Front

Define energy flow in ecosystems.

Back

Energy flow in ecosystems refers to the transfer of energy from one organism to another through food chains and food webs.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.