Q3 RTI Post Test

Name

All living or once living things in an ecosystem are

• abiotic factors
• biotic factors
• None

All nonliving things in an ecosystem are ____________

• abiotic factors
• biotic factors
• None

Is your temperature considered abiotic or biotic?

• abiotic
• biotic

Soil or dirt

• abiotic
• biotic

What abiotic factors are present in the picture?

• Fire
• Heat
• Oxygen
• All of the Above

What are the biotic factors in this image?

• sunlight, elephants, and grasses
• elephants, plants, trees
• sunlight, water, and air

When a population continues to grow past its carrying capacity the population will go extinct.

• True
• False

Diseases spread more quickly when populations are small.

• True
• False

After the rabbit population increases it will decrease because..

• There is not sufficient food for the rabbits to reproduce
• There are not many predators for the rabbits
• rabbits reproduce rapidly.