Session 18. What is the word?

Write your name:

What is passed between trophic levels in food chains?

• energy

• fuel

• life

• power

In ____________ for your help, I bought you a present.

• change

• convert

• exchange

• pay

Last month I read a ____________ fiction book.

• natural

• realistic

• true

• unrealistic

There needs to be a ___________ in every biome.

• symmetry

• equality

• balance

• equivalance

The elements in an ecosystem that aren't alive are called ______________.

• dead

• biotic

• abiotic

All the biomes and the elements inside them are part of the _____________.

• environment

• ecology

Autotrophs are characterized by their ______________.

• dependence

• autonomy

• authority

• freedom

We need the ___________ of everyone, or the project will fail.

• team

• determination

• cooperation

• group

Autotroph ______________ don't need to eat food.

• cells

• organisms