Ecosystems 1

Any resources necessary to the survival of populations in an ecosystem may become a _____________.

• biotic factor

• limiting factor

• niche

The largest number of animals that can be supported by an ecosystem is called the __________________.

• carrying capacity

• limiting factors

• competition

An organism's ___________ is the place where is lives and hunts for food

The special role an organism plays in a community is its ______________.

• community

• population

• niche

Which is an example of a niche?

• Two different birds live in the same backyard. The hummingbird eats nectar from flowers and the robin eats insects.

• Two different kinds of birds live in different parts of the world. Both eat berries.

Rainfall, temperature, weather, space to grow, soil type, and sunlight are examples of __________.

• competition

• community

• limiting factors

Which 2 things control the size of a population?

• competition

• community

• limiting factors

If a population increases too much the animals may not be able to find enough food. Soon, some of them will die out and the population will return to normal.

• True

• False

Birds can share the same habitat, but avoid competing with each other by eating different foods.

• True

• False

Not living, or produced by living things

• Abiotic factors

• Biotic factors

• Ecosystem

• Population